77861440

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 197510400

約数和(自身を除く): 119648960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 80, 92, 115, 142, 149, 160, 184, 230, 284, 298, 320, 355, 368, 460, 568, 596, 710, 736, 745, 920, 1136, 1192, 1420, 1472, 1490, 1633, 1840, 2272, 2384, 2840, 2980, 3266, 3427, 3680, 4544, 4768, 5680, 5960, 6532, 6854, 7360, 8165, 9536, 10579, 11360, 11920, 13064, 13708, 16330, 17135, 21158, 22720, 23840, 26128, 27416, 32660, 34270, 42316, 47680, 52256, 52895, 54832, 65320, 68540, 84632, 104512, 105790, 109664, 130640, 137080, 169264, 211580, 219328, 243317, 261280, 274160, 338528, 423160, 486634, 522560, 548320, 677056, 846320, 973268, 1096640, 1216585, 1692640, 1946536, 2433170, 3385280, 3893072, 4866340, 7786144, 9732680, 15572288, 19465360, 38930720, 77861440]

約数ペア:

[(1, 77861440), (2, 38930720), (4, 19465360), (5, 15572288), (8, 9732680), (10, 7786144), (16, 4866340), (20, 3893072), (23, 3385280), (32, 2433170), (40, 1946536), (46, 1692640), (64, 1216585), (71, 1096640), (80, 973268), (92, 846320), (115, 677056), (142, 548320), (149, 522560), (160, 486634), (184, 423160), (230, 338528), (284, 274160), (298, 261280), (320, 243317), (355, 219328), (368, 211580), (460, 169264), (568, 137080), (596, 130640), (710, 109664), (736, 105790), (745, 104512), (920, 84632), (1136, 68540), (1192, 65320), (1420, 54832), (1472, 52895), (1490, 52256), (1633, 47680), (1840, 42316), (2272, 34270), (2384, 32660), (2840, 27416), (2980, 26128), (3266, 23840), (3427, 22720), (3680, 21158), (4544, 17135), (4768, 16330), (5680, 13708), (5960, 13064), (6532, 11920), (6854, 11360), (7360, 10579), (8165, 9536)]