261110460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1183

約数の個数: 96

約数和(自身を含む): 790074432

約数和(自身を除く): 528963972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 557, 601, 780, 1114, 1202, 1671, 1803, 2228, 2404, 2785, 3005, 3342, 3606, 5570, 6010, 6684, 7212, 7241, 7813, 8355, 9015, 11140, 12020, 14482, 15626, 16710, 18030, 21723, 23439, 28964, 31252, 33420, 36060, 36205, 39065, 43446, 46878, 72410, 78130, 86892, 93756, 108615, 117195, 144820, 156260, 217230, 234390, 334757, 434460, 468780, 669514, 1004271, 1339028, 1673785, 2008542, 3347570, 4017084, 4351841, 5021355, 6695140, 8703682, 10042710, 13055523, 17407364, 20085420, 21759205, 26111046, 43518410, 52222092, 65277615, 87036820, 130555230, 261110460]

約数ペア:

[(1, 261110460), (2, 130555230), (3, 87036820), (4, 65277615), (5, 52222092), (6, 43518410), (10, 26111046), (12, 21759205), (13, 20085420), (15, 17407364), (20, 13055523), (26, 10042710), (30, 8703682), (39, 6695140), (52, 5021355), (60, 4351841), (65, 4017084), (78, 3347570), (130, 2008542), (156, 1673785), (195, 1339028), (260, 1004271), (390, 669514), (557, 468780), (601, 434460), (780, 334757), (1114, 234390), (1202, 217230), (1671, 156260), (1803, 144820), (2228, 117195), (2404, 108615), (2785, 93756), (3005, 86892), (3342, 78130), (3606, 72410), (5570, 46878), (6010, 43446), (6684, 39065), (7212, 36205), (7241, 36060), (7813, 33420), (8355, 31252), (9015, 28964), (11140, 23439), (12020, 21723), (14482, 18030), (15626, 16710)]