74940880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 200594304

約数和(自身を除く): 125653424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 821, 1141, 1304, 1630, 1642, 2282, 2608, 3260, 3284, 4105, 4564, 5705, 5747, 6520, 6568, 8210, 9128, 11410, 11494, 13040, 13136, 16420, 18256, 22820, 22988, 28735, 32840, 45640, 45976, 57470, 65680, 91280, 91952, 114940, 133823, 229880, 267646, 459760, 535292, 669115, 936761, 1070584, 1338230, 1873522, 2141168, 2676460, 3747044, 4683805, 5352920, 7494088, 9367610, 10705840, 14988176, 18735220, 37470440, 74940880]

約数ペア:

[(1, 74940880), (2, 37470440), (4, 18735220), (5, 14988176), (7, 10705840), (8, 9367610), (10, 7494088), (14, 5352920), (16, 4683805), (20, 3747044), (28, 2676460), (35, 2141168), (40, 1873522), (56, 1338230), (70, 1070584), (80, 936761), (112, 669115), (140, 535292), (163, 459760), (280, 267646), (326, 229880), (560, 133823), (652, 114940), (815, 91952), (821, 91280), (1141, 65680), (1304, 57470), (1630, 45976), (1642, 45640), (2282, 32840), (2608, 28735), (3260, 22988), (3284, 22820), (4105, 18256), (4564, 16420), (5705, 13136), (5747, 13040), (6520, 11494), (6568, 11410), (8210, 9128)]