81202420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 197342208

約数和(自身を除く): 116139788

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 37, 46, 52, 65, 74, 92, 115, 130, 148, 185, 230, 260, 299, 367, 370, 460, 481, 598, 734, 740, 851, 962, 1196, 1468, 1495, 1702, 1835, 1924, 2405, 2990, 3404, 3670, 4255, 4771, 4810, 5980, 7340, 8441, 8510, 9542, 9620, 11063, 13579, 16882, 17020, 19084, 22126, 23855, 27158, 33764, 42205, 44252, 47710, 54316, 55315, 67895, 84410, 95420, 109733, 110630, 135790, 168820, 176527, 219466, 221260, 271580, 312317, 353054, 438932, 548665, 624634, 706108, 882635, 1097330, 1249268, 1561585, 1765270, 2194660, 3123170, 3530540, 4060121, 6246340, 8120242, 16240484, 20300605, 40601210, 81202420]

約数ペア:

[(1, 81202420), (2, 40601210), (4, 20300605), (5, 16240484), (10, 8120242), (13, 6246340), (20, 4060121), (23, 3530540), (26, 3123170), (37, 2194660), (46, 1765270), (52, 1561585), (65, 1249268), (74, 1097330), (92, 882635), (115, 706108), (130, 624634), (148, 548665), (185, 438932), (230, 353054), (260, 312317), (299, 271580), (367, 221260), (370, 219466), (460, 176527), (481, 168820), (598, 135790), (734, 110630), (740, 109733), (851, 95420), (962, 84410), (1196, 67895), (1468, 55315), (1495, 54316), (1702, 47710), (1835, 44252), (1924, 42205), (2405, 33764), (2990, 27158), (3404, 23855), (3670, 22126), (4255, 19084), (4771, 17020), (4810, 16882), (5980, 13579), (7340, 11063), (8441, 9620), (8510, 9542)]