321979840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11057}}^1$

素因数の和:11094

約数の個数: 112

約数和(自身を含む): 943733952

約数和(自身を除く): 621754112

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 11057, 14560, 22114, 29120, 44228, 55285, 77399, 88456, 110570, 143741, 154798, 176912, 221140, 287482, 309596, 353824, 386995, 442280, 574964, 619192, 707648, 718705, 773990, 884560, 1006187, 1149928, 1238384, 1437410, 1547980, 1769120, 2012374, 2299856, 2476768, 2874820, 3095960, 3538240, 4024748, 4599712, 4953536, 5030935, 5749640, 6191920, 8049496, 9199424, 10061870, 11499280, 12383840, 16098992, 20123740, 22998560, 24767680, 32197984, 40247480, 45997120, 64395968, 80494960, 160989920, 321979840]

約数ペア:

[(1, 321979840), (2, 160989920), (4, 80494960), (5, 64395968), (7, 45997120), (8, 40247480), (10, 32197984), (13, 24767680), (14, 22998560), (16, 20123740), (20, 16098992), (26, 12383840), (28, 11499280), (32, 10061870), (35, 9199424), (40, 8049496), (52, 6191920), (56, 5749640), (64, 5030935), (65, 4953536), (70, 4599712), (80, 4024748), (91, 3538240), (104, 3095960), (112, 2874820), (130, 2476768), (140, 2299856), (160, 2012374), (182, 1769120), (208, 1547980), (224, 1437410), (260, 1238384), (280, 1149928), (320, 1006187), (364, 884560), (416, 773990), (448, 718705), (455, 707648), (520, 619192), (560, 574964), (728, 442280), (832, 386995), (910, 353824), (1040, 309596), (1120, 287482), (1456, 221140), (1820, 176912), (2080, 154798), (2240, 143741), (2912, 110570), (3640, 88456), (4160, 77399), (5824, 55285), (7280, 44228), (11057, 29120), (14560, 22114)]