1678201980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2369

約数の個数: 288

約数和(自身を含む): 6199119360

約数和(自身を除く): 4520917380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 49, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 98, 105, 114, 130, 133, 140, 147, 156, 182, 190, 195, 196, 210, 228, 245, 247, 260, 266, 273, 285, 294, 364, 380, 390, 399, 420, 455, 490, 494, 532, 546, 570, 588, 637, 665, 735, 741, 780, 798, 910, 931, 980, 988, 1092, 1140, 1235, 1274, 1330, 1365, 1470, 1482, 1596, 1729, 1820, 1862, 1911, 1995, 2311, 2470, 2548, 2660, 2730, 2793, 2940, 2964, 3185, 3458, 3705, 3724, 3822, 3990, 4622, 4655, 4940, 5187, 5460, 5586, 6370, 6916, 6933, 7410, 7644, 7980, 8645, 9244, 9310, 9555, 10374, 11172, 11555, 12103, 12740, 13866, 13965, 14820, 16177, 17290, 18620, 19110, 20748, 23110, 24206, 25935, 27732, 27930, 30043, 32354, 34580, 34665, 36309, 38220, 43909, 46220, 48412, 48531, 51870, 55860, 60086, 60515, 64708, 69330, 72618, 80885, 87818, 90129, 97062, 103740, 113239, 120172, 121030, 131727, 138660, 145236, 150215, 161770, 175636, 180258, 181545, 194124, 210301, 219545, 226478, 242060, 242655, 263454, 300430, 307363, 323540, 339717, 360516, 363090, 420602, 439090, 450645, 452956, 485310, 526908, 566195, 570817, 600860, 614726, 630903, 658635, 679434, 726180, 841204, 878180, 901290, 922089, 970620, 1051505, 1132390, 1141634, 1229452, 1261806, 1317270, 1358868, 1472107, 1536815, 1698585, 1712451, 1802580, 1844178, 2103010, 2151541, 2264780, 2283268, 2523612, 2634540, 2854085, 2944214, 3073630, 3154515, 3397170, 3424902, 3688356, 3995719, 4206020, 4303082, 4416321, 4610445, 5708170, 5888428, 6147260, 6309030, 6454623, 6794340, 6849804, 7360535, 7991438, 8562255, 8606164, 8832642, 9220890, 10757705, 11416340, 11987157, 12618060, 12909246, 14721070, 15982876, 17124510, 17665284, 18441780, 19978595, 21515410, 22081605, 23974314, 25818492, 27970033, 29442140, 32273115, 34249020, 39957190, 43030820, 44163210, 47948628, 55940066, 59935785, 64546230, 79914380, 83910099, 88326420, 111880132, 119871570, 129092460, 139850165, 167820198, 239743140, 279700330, 335640396, 419550495, 559400660, 839100990, 1678201980]

約数ペア:

[(1, 1678201980), (2, 839100990), (3, 559400660), (4, 419550495), (5, 335640396), (6, 279700330), (7, 239743140), (10, 167820198), (12, 139850165), (13, 129092460), (14, 119871570), (15, 111880132), (19, 88326420), (20, 83910099), (21, 79914380), (26, 64546230), (28, 59935785), (30, 55940066), (35, 47948628), (38, 44163210), (39, 43030820), (42, 39957190), (49, 34249020), (52, 32273115), (57, 29442140), (60, 27970033), (65, 25818492), (70, 23974314), (76, 22081605), (78, 21515410), (84, 19978595), (91, 18441780), (95, 17665284), (98, 17124510), (105, 15982876), (114, 14721070), (130, 12909246), (133, 12618060), (140, 11987157), (147, 11416340), (156, 10757705), (182, 9220890), (190, 8832642), (195, 8606164), (196, 8562255), (210, 7991438), (228, 7360535), (245, 6849804), (247, 6794340), (260, 6454623), (266, 6309030), (273, 6147260), (285, 5888428), (294, 5708170), (364, 4610445), (380, 4416321), (390, 4303082), (399, 4206020), (420, 3995719), (455, 3688356), (490, 3424902), (494, 3397170), (532, 3154515), (546, 3073630), (570, 2944214), (588, 2854085), (637, 2634540), (665, 2523612), (735, 2283268), (741, 2264780), (780, 2151541), (798, 2103010), (910, 1844178), (931, 1802580), (980, 1712451), (988, 1698585), (1092, 1536815), (1140, 1472107), (1235, 1358868), (1274, 1317270), (1330, 1261806), (1365, 1229452), (1470, 1141634), (1482, 1132390), (1596, 1051505), (1729, 970620), (1820, 922089), (1862, 901290), (1911, 878180), (1995, 841204), (2311, 726180), (2470, 679434), (2548, 658635), (2660, 630903), (2730, 614726), (2793, 600860), (2940, 570817), (2964, 566195), (3185, 526908), (3458, 485310), (3705, 452956), (3724, 450645), (3822, 439090), (3990, 420602), (4622, 363090), (4655, 360516), (4940, 339717), (5187, 323540), (5460, 307363), (5586, 300430), (6370, 263454), (6916, 242655), (6933, 242060), (7410, 226478), (7644, 219545), (7980, 210301), (8645, 194124), (9244, 181545), (9310, 180258), (9555, 175636), (10374, 161770), (11172, 150215), (11555, 145236), (12103, 138660), (12740, 131727), (13866, 121030), (13965, 120172), (14820, 113239), (16177, 103740), (17290, 97062), (18620, 90129), (19110, 87818), (20748, 80885), (23110, 72618), (24206, 69330), (25935, 64708), (27732, 60515), (27930, 60086), (30043, 55860), (32354, 51870), (34580, 48531), (34665, 48412), (36309, 46220), (38220, 43909)]