21695615160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{6791}}^1$

素因数の和:7221

約数の個数: 128

約数和(自身を含む): 66116044800

約数和(自身を除く): 44420429640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 337, 395, 474, 632, 674, 790, 948, 1011, 1185, 1348, 1580, 1685, 1896, 2022, 2370, 2696, 3160, 3370, 4044, 4740, 5055, 6740, 6791, 8088, 9480, 10110, 13480, 13582, 20220, 20373, 26623, 27164, 33955, 40440, 40746, 53246, 54328, 67910, 79869, 81492, 101865, 106492, 133115, 135820, 159738, 162984, 203730, 212984, 266230, 271640, 319476, 399345, 407460, 532460, 536489, 638952, 798690, 814920, 1064920, 1072978, 1597380, 1609467, 2145956, 2288567, 2682445, 3194760, 3218934, 4291912, 4577134, 5364890, 6437868, 6865701, 8047335, 9154268, 10729780, 11442835, 12875736, 13731402, 16094670, 18308536, 21459560, 22885670, 27462804, 32189340, 34328505, 45771340, 54925608, 64378680, 68657010, 91542680, 137314020, 180796793, 274628040, 361593586, 542390379, 723187172, 903983965, 1084780758, 1446374344, 1807967930, 2169561516, 2711951895, 3615935860, 4339123032, 5423903790, 7231871720, 10847807580, 21695615160]

約数ペア:

[(1, 21695615160), (2, 10847807580), (3, 7231871720), (4, 5423903790), (5, 4339123032), (6, 3615935860), (8, 2711951895), (10, 2169561516), (12, 1807967930), (15, 1446374344), (20, 1084780758), (24, 903983965), (30, 723187172), (40, 542390379), (60, 361593586), (79, 274628040), (120, 180796793), (158, 137314020), (237, 91542680), (316, 68657010), (337, 64378680), (395, 54925608), (474, 45771340), (632, 34328505), (674, 32189340), (790, 27462804), (948, 22885670), (1011, 21459560), (1185, 18308536), (1348, 16094670), (1580, 13731402), (1685, 12875736), (1896, 11442835), (2022, 10729780), (2370, 9154268), (2696, 8047335), (3160, 6865701), (3370, 6437868), (4044, 5364890), (4740, 4577134), (5055, 4291912), (6740, 3218934), (6791, 3194760), (8088, 2682445), (9480, 2288567), (10110, 2145956), (13480, 1609467), (13582, 1597380), (20220, 1072978), (20373, 1064920), (26623, 814920), (27164, 798690), (33955, 638952), (40440, 536489), (40746, 532460), (53246, 407460), (54328, 399345), (67910, 319476), (79869, 271640), (81492, 266230), (101865, 212984), (106492, 203730), (133115, 162984), (135820, 159738)]