664040960

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23581}}^1$

素因数の和:23615

約数の個数: 80

約数和(自身を含む): 1736955792

約数和(自身を除く): 1072914832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 14080, 23581, 28160, 47162, 94324, 117905, 188648, 235810, 259391, 377296, 471620, 518782, 754592, 943240, 1037564, 1296955, 1509184, 1886480, 2075128, 2593910, 3018368, 3772960, 4150256, 5187820, 6036736, 7545920, 8300512, 10375640, 12073472, 15091840, 16601024, 20751280, 30183680, 33202048, 41502560, 60367360, 66404096, 83005120, 132808192, 166010240, 332020480, 664040960]

約数ペア:

[(1, 664040960), (2, 332020480), (4, 166010240), (5, 132808192), (8, 83005120), (10, 66404096), (11, 60367360), (16, 41502560), (20, 33202048), (22, 30183680), (32, 20751280), (40, 16601024), (44, 15091840), (55, 12073472), (64, 10375640), (80, 8300512), (88, 7545920), (110, 6036736), (128, 5187820), (160, 4150256), (176, 3772960), (220, 3018368), (256, 2593910), (320, 2075128), (352, 1886480), (440, 1509184), (512, 1296955), (640, 1037564), (704, 943240), (880, 754592), (1280, 518782), (1408, 471620), (1760, 377296), (2560, 259391), (2816, 235810), (3520, 188648), (5632, 117905), (7040, 94324), (14080, 47162), (23581, 28160)]