79786980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4906

約数の個数: 144

約数和(自身を含む): 297932544

約数和(自身を除く): 218145564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4871, 5460, 8190, 9742, 14613, 16380, 19484, 24355, 29226, 34097, 43839, 48710, 58452, 63323, 68194, 73065, 87678, 97420, 102291, 126646, 136388, 146130, 170485, 175356, 189969, 204582, 219195, 253292, 292260, 306873, 316615, 340970, 379938, 409164, 438390, 443261, 511455, 569907, 613746, 633230, 681940, 759876, 876780, 886522, 949845, 1022910, 1139814, 1227492, 1266460, 1329783, 1534365, 1773044, 1899690, 2045820, 2216305, 2279628, 2659566, 2849535, 3068730, 3799380, 3989349, 4432610, 5319132, 5699070, 6137460, 6648915, 7978698, 8865220, 11398140, 13297830, 15957396, 19946745, 26595660, 39893490, 79786980]

約数ペア:

[(1, 79786980), (2, 39893490), (3, 26595660), (4, 19946745), (5, 15957396), (6, 13297830), (7, 11398140), (9, 8865220), (10, 7978698), (12, 6648915), (13, 6137460), (14, 5699070), (15, 5319132), (18, 4432610), (20, 3989349), (21, 3799380), (26, 3068730), (28, 2849535), (30, 2659566), (35, 2279628), (36, 2216305), (39, 2045820), (42, 1899690), (45, 1773044), (52, 1534365), (60, 1329783), (63, 1266460), (65, 1227492), (70, 1139814), (78, 1022910), (84, 949845), (90, 886522), (91, 876780), (105, 759876), (117, 681940), (126, 633230), (130, 613746), (140, 569907), (156, 511455), (180, 443261), (182, 438390), (195, 409164), (210, 379938), (234, 340970), (252, 316615), (260, 306873), (273, 292260), (315, 253292), (364, 219195), (390, 204582), (420, 189969), (455, 175356), (468, 170485), (546, 146130), (585, 136388), (630, 126646), (780, 102291), (819, 97420), (910, 87678), (1092, 73065), (1170, 68194), (1260, 63323), (1365, 58452), (1638, 48710), (1820, 43839), (2340, 34097), (2730, 29226), (3276, 24355), (4095, 19484), (4871, 16380), (5460, 14613), (8190, 9742)]