3240640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 112

約数和(自身を含む): 8961120

約数和(自身を除く): 5720480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 41, 52, 64, 65, 76, 80, 82, 95, 104, 130, 152, 160, 164, 190, 205, 208, 247, 260, 304, 320, 328, 380, 410, 416, 494, 520, 533, 608, 656, 760, 779, 820, 832, 988, 1040, 1066, 1216, 1235, 1312, 1520, 1558, 1640, 1976, 2080, 2132, 2470, 2624, 2665, 3040, 3116, 3280, 3895, 3952, 4160, 4264, 4940, 5330, 6080, 6232, 6560, 7790, 7904, 8528, 9880, 10127, 10660, 12464, 13120, 15580, 15808, 17056, 19760, 20254, 21320, 24928, 31160, 34112, 39520, 40508, 42640, 49856, 50635, 62320, 79040, 81016, 85280, 101270, 124640, 162032, 170560, 202540, 249280, 324064, 405080, 648128, 810160, 1620320, 3240640]

約数ペア:

[(1, 3240640), (2, 1620320), (4, 810160), (5, 648128), (8, 405080), (10, 324064), (13, 249280), (16, 202540), (19, 170560), (20, 162032), (26, 124640), (32, 101270), (38, 85280), (40, 81016), (41, 79040), (52, 62320), (64, 50635), (65, 49856), (76, 42640), (80, 40508), (82, 39520), (95, 34112), (104, 31160), (130, 24928), (152, 21320), (160, 20254), (164, 19760), (190, 17056), (205, 15808), (208, 15580), (247, 13120), (260, 12464), (304, 10660), (320, 10127), (328, 9880), (380, 8528), (410, 7904), (416, 7790), (494, 6560), (520, 6232), (533, 6080), (608, 5330), (656, 4940), (760, 4264), (779, 4160), (820, 3952), (832, 3895), (988, 3280), (1040, 3116), (1066, 3040), (1216, 2665), (1235, 2624), (1312, 2470), (1520, 2132), (1558, 2080), (1640, 1976)]