261785160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 384

約数和(自身を含む): 1072431360

約数和(自身を除く): 810646200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 61, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 122, 126, 130, 131, 140, 156, 168, 180, 182, 183, 195, 210, 234, 244, 252, 260, 262, 273, 280, 305, 312, 315, 360, 364, 366, 390, 393, 420, 427, 455, 468, 488, 504, 520, 524, 546, 549, 585, 610, 630, 655, 728, 732, 780, 786, 793, 819, 840, 854, 910, 915, 917, 936, 1048, 1092, 1098, 1170, 1179, 1220, 1260, 1281, 1310, 1365, 1464, 1560, 1572, 1586, 1638, 1703, 1708, 1820, 1830, 1834, 1965, 2135, 2184, 2196, 2340, 2358, 2379, 2440, 2520, 2562, 2620, 2730, 2745, 2751, 3144, 3172, 3276, 3406, 3416, 3640, 3660, 3668, 3843, 3930, 3965, 4095, 4270, 4392, 4585, 4680, 4716, 4758, 5109, 5124, 5240, 5460, 5490, 5502, 5551, 5895, 6344, 6405, 6552, 6812, 7137, 7320, 7336, 7686, 7860, 7930, 7991, 8190, 8253, 8515, 8540, 9170, 9432, 9516, 10218, 10248, 10920, 10980, 11004, 11102, 11790, 11895, 11921, 12810, 13624, 13755, 14274, 15327, 15372, 15720, 15860, 15982, 16380, 16506, 16653, 17030, 17080, 18340, 19032, 19215, 20436, 21960, 22008, 22204, 23580, 23790, 23842, 23973, 25545, 25620, 27510, 27755, 28548, 30654, 30744, 31720, 31964, 32760, 33012, 33306, 34060, 35685, 35763, 36680, 38430, 39955, 40872, 41265, 44408, 47160, 47580, 47684, 47946, 49959, 51090, 51240, 55020, 55510, 55937, 57096, 59605, 61308, 63928, 66024, 66612, 68120, 71370, 71526, 71919, 76635, 76860, 79910, 82530, 83265, 95160, 95368, 95892, 99918, 102180, 103883, 107289, 110040, 111020, 111874, 119210, 119865, 122616, 133224, 142740, 143052, 143838, 153270, 153720, 159820, 165060, 166530, 167811, 178815, 191784, 199836, 204360, 207766, 214578, 222040, 223748, 238420, 239730, 249795, 279685, 285480, 286104, 287676, 306540, 311649, 319640, 330120, 333060, 335622, 357630, 359595, 399672, 415532, 429156, 447496, 476840, 479460, 499590, 503433, 519415, 536445, 559370, 575352, 613080, 623298, 666120, 671244, 715260, 719190, 727181, 831064, 839055, 858312, 934947, 958920, 999180, 1006866, 1038830, 1072890, 1118740, 1246596, 1342488, 1430520, 1438380, 1454362, 1558245, 1678110, 1869894, 1998360, 2013732, 2077660, 2145780, 2181543, 2237480, 2493192, 2517165, 2876760, 2908724, 3116490, 3356220, 3635905, 3739788, 4027464, 4155320, 4291560, 4363086, 4674735, 5034330, 5817448, 6232980, 6544629, 6712440, 7271810, 7479576, 8726172, 9349470, 10068660, 10907715, 12465960, 13089258, 14543620, 17452344, 18698940, 20137320, 21815430, 26178516, 29087240, 32723145, 37397880, 43630860, 52357032, 65446290, 87261720, 130892580, 261785160]

約数ペア:

[(1, 261785160), (2, 130892580), (3, 87261720), (4, 65446290), (5, 52357032), (6, 43630860), (7, 37397880), (8, 32723145), (9, 29087240), (10, 26178516), (12, 21815430), (13, 20137320), (14, 18698940), (15, 17452344), (18, 14543620), (20, 13089258), (21, 12465960), (24, 10907715), (26, 10068660), (28, 9349470), (30, 8726172), (35, 7479576), (36, 7271810), (39, 6712440), (40, 6544629), (42, 6232980), (45, 5817448), (52, 5034330), (56, 4674735), (60, 4363086), (61, 4291560), (63, 4155320), (65, 4027464), (70, 3739788), (72, 3635905), (78, 3356220), (84, 3116490), (90, 2908724), (91, 2876760), (104, 2517165), (105, 2493192), (117, 2237480), (120, 2181543), (122, 2145780), (126, 2077660), (130, 2013732), (131, 1998360), (140, 1869894), (156, 1678110), (168, 1558245), (180, 1454362), (182, 1438380), (183, 1430520), (195, 1342488), (210, 1246596), (234, 1118740), (244, 1072890), (252, 1038830), (260, 1006866), (262, 999180), (273, 958920), (280, 934947), (305, 858312), (312, 839055), (315, 831064), (360, 727181), (364, 719190), (366, 715260), (390, 671244), (393, 666120), (420, 623298), (427, 613080), (455, 575352), (468, 559370), (488, 536445), (504, 519415), (520, 503433), (524, 499590), (546, 479460), (549, 476840), (585, 447496), (610, 429156), (630, 415532), (655, 399672), (728, 359595), (732, 357630), (780, 335622), (786, 333060), (793, 330120), (819, 319640), (840, 311649), (854, 306540), (910, 287676), (915, 286104), (917, 285480), (936, 279685), (1048, 249795), (1092, 239730), (1098, 238420), (1170, 223748), (1179, 222040), (1220, 214578), (1260, 207766), (1281, 204360), (1310, 199836), (1365, 191784), (1464, 178815), (1560, 167811), (1572, 166530), (1586, 165060), (1638, 159820), (1703, 153720), (1708, 153270), (1820, 143838), (1830, 143052), (1834, 142740), (1965, 133224), (2135, 122616), (2184, 119865), (2196, 119210), (2340, 111874), (2358, 111020), (2379, 110040), (2440, 107289), (2520, 103883), (2562, 102180), (2620, 99918), (2730, 95892), (2745, 95368), (2751, 95160), (3144, 83265), (3172, 82530), (3276, 79910), (3406, 76860), (3416, 76635), (3640, 71919), (3660, 71526), (3668, 71370), (3843, 68120), (3930, 66612), (3965, 66024), (4095, 63928), (4270, 61308), (4392, 59605), (4585, 57096), (4680, 55937), (4716, 55510), (4758, 55020), (5109, 51240), (5124, 51090), (5240, 49959), (5460, 47946), (5490, 47684), (5502, 47580), (5551, 47160), (5895, 44408), (6344, 41265), (6405, 40872), (6552, 39955), (6812, 38430), (7137, 36680), (7320, 35763), (7336, 35685), (7686, 34060), (7860, 33306), (7930, 33012), (7991, 32760), (8190, 31964), (8253, 31720), (8515, 30744), (8540, 30654), (9170, 28548), (9432, 27755), (9516, 27510), (10218, 25620), (10248, 25545), (10920, 23973), (10980, 23842), (11004, 23790), (11102, 23580), (11790, 22204), (11895, 22008), (11921, 21960), (12810, 20436), (13624, 19215), (13755, 19032), (14274, 18340), (15327, 17080), (15372, 17030), (15720, 16653), (15860, 16506), (15982, 16380)]