81444640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 205873920

約数和(自身を除く): 124429280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 73, 76, 80, 95, 146, 152, 160, 190, 292, 304, 365, 367, 380, 584, 608, 730, 734, 760, 1168, 1387, 1460, 1468, 1520, 1835, 2336, 2774, 2920, 2936, 3040, 3670, 5548, 5840, 5872, 6935, 6973, 7340, 11096, 11680, 11744, 13870, 13946, 14680, 22192, 26791, 27740, 27892, 29360, 34865, 44384, 53582, 55480, 55784, 58720, 69730, 107164, 110960, 111568, 133955, 139460, 214328, 221920, 223136, 267910, 278920, 428656, 509029, 535820, 557840, 857312, 1018058, 1071640, 1115680, 2036116, 2143280, 2545145, 4072232, 4286560, 5090290, 8144464, 10180580, 16288928, 20361160, 40722320, 81444640]

約数ペア:

[(1, 81444640), (2, 40722320), (4, 20361160), (5, 16288928), (8, 10180580), (10, 8144464), (16, 5090290), (19, 4286560), (20, 4072232), (32, 2545145), (38, 2143280), (40, 2036116), (73, 1115680), (76, 1071640), (80, 1018058), (95, 857312), (146, 557840), (152, 535820), (160, 509029), (190, 428656), (292, 278920), (304, 267910), (365, 223136), (367, 221920), (380, 214328), (584, 139460), (608, 133955), (730, 111568), (734, 110960), (760, 107164), (1168, 69730), (1387, 58720), (1460, 55784), (1468, 55480), (1520, 53582), (1835, 44384), (2336, 34865), (2774, 29360), (2920, 27892), (2936, 27740), (3040, 26791), (3670, 22192), (5548, 14680), (5840, 13946), (5872, 13870), (6935, 11744), (6973, 11680), (7340, 11096)]