80279760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 277696512

約数和(自身を除く): 197416752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 165, 176, 188, 220, 235, 240, 264, 282, 330, 376, 440, 470, 517, 528, 564, 647, 660, 705, 752, 880, 940, 1034, 1128, 1294, 1320, 1410, 1551, 1880, 1941, 2068, 2256, 2585, 2588, 2640, 2820, 3102, 3235, 3760, 3882, 4136, 5170, 5176, 5640, 6204, 6470, 7117, 7755, 7764, 8272, 9705, 10340, 10352, 11280, 12408, 12940, 14234, 15510, 15528, 19410, 20680, 21351, 24816, 25880, 28468, 30409, 31020, 31056, 35585, 38820, 41360, 42702, 51760, 56936, 60818, 62040, 71170, 77640, 85404, 91227, 106755, 113872, 121636, 124080, 142340, 152045, 155280, 170808, 182454, 213510, 243272, 284680, 304090, 334499, 341616, 364908, 427020, 456135, 486544, 569360, 608180, 668998, 729816, 854040, 912270, 1003497, 1216360, 1337996, 1459632, 1672495, 1708080, 1824540, 2006994, 2432720, 2675992, 3344990, 3649080, 4013988, 5017485, 5351984, 6689980, 7298160, 8027976, 10034970, 13379960, 16055952, 20069940, 26759920, 40139880, 80279760]

約数ペア:

[(1, 80279760), (2, 40139880), (3, 26759920), (4, 20069940), (5, 16055952), (6, 13379960), (8, 10034970), (10, 8027976), (11, 7298160), (12, 6689980), (15, 5351984), (16, 5017485), (20, 4013988), (22, 3649080), (24, 3344990), (30, 2675992), (33, 2432720), (40, 2006994), (44, 1824540), (47, 1708080), (48, 1672495), (55, 1459632), (60, 1337996), (66, 1216360), (80, 1003497), (88, 912270), (94, 854040), (110, 729816), (120, 668998), (132, 608180), (141, 569360), (165, 486544), (176, 456135), (188, 427020), (220, 364908), (235, 341616), (240, 334499), (264, 304090), (282, 284680), (330, 243272), (376, 213510), (440, 182454), (470, 170808), (517, 155280), (528, 152045), (564, 142340), (647, 124080), (660, 121636), (705, 113872), (752, 106755), (880, 91227), (940, 85404), (1034, 77640), (1128, 71170), (1294, 62040), (1320, 60818), (1410, 56936), (1551, 51760), (1880, 42702), (1941, 41360), (2068, 38820), (2256, 35585), (2585, 31056), (2588, 31020), (2640, 30409), (2820, 28468), (3102, 25880), (3235, 24816), (3760, 21351), (3882, 20680), (4136, 19410), (5170, 15528), (5176, 15510), (5640, 14234), (6204, 12940), (6470, 12408), (7117, 11280), (7755, 10352), (7764, 10340), (8272, 9705)]