164088340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 382219992

約数和(自身を除く): 218131652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 461, 481, 740, 922, 962, 1369, 1844, 1924, 2305, 2405, 2738, 4610, 4810, 5476, 5993, 6845, 9220, 9620, 11986, 13690, 17057, 17797, 23972, 27380, 29965, 34114, 35594, 59930, 68228, 71188, 85285, 88985, 119860, 170570, 177970, 221741, 341140, 355940, 443482, 631109, 886964, 1108705, 1262218, 2217410, 2524436, 3155545, 4434820, 6311090, 8204417, 12622180, 16408834, 32817668, 41022085, 82044170, 164088340]

約数ペア:

[(1, 164088340), (2, 82044170), (4, 41022085), (5, 32817668), (10, 16408834), (13, 12622180), (20, 8204417), (26, 6311090), (37, 4434820), (52, 3155545), (65, 2524436), (74, 2217410), (130, 1262218), (148, 1108705), (185, 886964), (260, 631109), (370, 443482), (461, 355940), (481, 341140), (740, 221741), (922, 177970), (962, 170570), (1369, 119860), (1844, 88985), (1924, 85285), (2305, 71188), (2405, 68228), (2738, 59930), (4610, 35594), (4810, 34114), (5476, 29965), (5993, 27380), (6845, 23972), (9220, 17797), (9620, 17057), (11986, 13690)]