81130140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 288

約数和(自身を含む): 314818560

約数和(自身を除く): 233688420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 127, 130, 135, 140, 156, 169, 180, 182, 189, 195, 210, 234, 252, 254, 260, 270, 273, 315, 338, 351, 364, 378, 381, 390, 420, 455, 468, 507, 508, 540, 546, 585, 630, 635, 676, 702, 756, 762, 780, 819, 845, 889, 910, 945, 1014, 1092, 1143, 1170, 1183, 1260, 1270, 1365, 1404, 1521, 1524, 1638, 1651, 1690, 1755, 1778, 1820, 1890, 1905, 2028, 2286, 2340, 2366, 2457, 2535, 2540, 2667, 2730, 3042, 3276, 3302, 3380, 3429, 3510, 3549, 3556, 3780, 3810, 4095, 4445, 4563, 4572, 4732, 4914, 4953, 5070, 5334, 5460, 5715, 5915, 6084, 6604, 6858, 7020, 7098, 7605, 7620, 8001, 8190, 8255, 8890, 9126, 9828, 9906, 10140, 10647, 10668, 11430, 11557, 11830, 12285, 13335, 13716, 14196, 14859, 15210, 16002, 16380, 16510, 17145, 17745, 17780, 18252, 19812, 21294, 21463, 22815, 22860, 23114, 23660, 24003, 24570, 24765, 26670, 29718, 30420, 31941, 32004, 33020, 34290, 34671, 35490, 40005, 42588, 42926, 44577, 45630, 46228, 48006, 49140, 49530, 53235, 53340, 57785, 59436, 63882, 64389, 68580, 69342, 70980, 74295, 80010, 85852, 89154, 91260, 96012, 99060, 104013, 106470, 107315, 115570, 120015, 127764, 128778, 138684, 148590, 150241, 159705, 160020, 173355, 178308, 193167, 208026, 212940, 214630, 222885, 231140, 240030, 257556, 297180, 300482, 312039, 319410, 321945, 346710, 386334, 416052, 429260, 445770, 450723, 480060, 520065, 579501, 600964, 624078, 638820, 643890, 693420, 751205, 772668, 891540, 901446, 965835, 1040130, 1159002, 1248156, 1287780, 1352169, 1502410, 1560195, 1802892, 1931670, 2080260, 2253615, 2318004, 2704338, 2897505, 3004820, 3120390, 3863340, 4056507, 4507230, 5408676, 5795010, 6240780, 6760845, 8113014, 9014460, 11590020, 13521690, 16226028, 20282535, 27043380, 40565070, 81130140]

約数ペア:

[(1, 81130140), (2, 40565070), (3, 27043380), (4, 20282535), (5, 16226028), (6, 13521690), (7, 11590020), (9, 9014460), (10, 8113014), (12, 6760845), (13, 6240780), (14, 5795010), (15, 5408676), (18, 4507230), (20, 4056507), (21, 3863340), (26, 3120390), (27, 3004820), (28, 2897505), (30, 2704338), (35, 2318004), (36, 2253615), (39, 2080260), (42, 1931670), (45, 1802892), (52, 1560195), (54, 1502410), (60, 1352169), (63, 1287780), (65, 1248156), (70, 1159002), (78, 1040130), (84, 965835), (90, 901446), (91, 891540), (105, 772668), (108, 751205), (117, 693420), (126, 643890), (127, 638820), (130, 624078), (135, 600964), (140, 579501), (156, 520065), (169, 480060), (180, 450723), (182, 445770), (189, 429260), (195, 416052), (210, 386334), (234, 346710), (252, 321945), (254, 319410), (260, 312039), (270, 300482), (273, 297180), (315, 257556), (338, 240030), (351, 231140), (364, 222885), (378, 214630), (381, 212940), (390, 208026), (420, 193167), (455, 178308), (468, 173355), (507, 160020), (508, 159705), (540, 150241), (546, 148590), (585, 138684), (630, 128778), (635, 127764), (676, 120015), (702, 115570), (756, 107315), (762, 106470), (780, 104013), (819, 99060), (845, 96012), (889, 91260), (910, 89154), (945, 85852), (1014, 80010), (1092, 74295), (1143, 70980), (1170, 69342), (1183, 68580), (1260, 64389), (1270, 63882), (1365, 59436), (1404, 57785), (1521, 53340), (1524, 53235), (1638, 49530), (1651, 49140), (1690, 48006), (1755, 46228), (1778, 45630), (1820, 44577), (1890, 42926), (1905, 42588), (2028, 40005), (2286, 35490), (2340, 34671), (2366, 34290), (2457, 33020), (2535, 32004), (2540, 31941), (2667, 30420), (2730, 29718), (3042, 26670), (3276, 24765), (3302, 24570), (3380, 24003), (3429, 23660), (3510, 23114), (3549, 22860), (3556, 22815), (3780, 21463), (3810, 21294), (4095, 19812), (4445, 18252), (4563, 17780), (4572, 17745), (4732, 17145), (4914, 16510), (4953, 16380), (5070, 16002), (5334, 15210), (5460, 14859), (5715, 14196), (5915, 13716), (6084, 13335), (6604, 12285), (6858, 11830), (7020, 11557), (7098, 11430), (7605, 10668), (7620, 10647), (8001, 10140), (8190, 9906), (8255, 9828), (8890, 9126)]