7211120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 19522560

約数和(自身を除く): 12311440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 163, 280, 316, 326, 395, 553, 560, 632, 652, 790, 815, 1106, 1141, 1264, 1304, 1580, 1630, 2212, 2282, 2608, 2765, 3160, 3260, 4424, 4564, 5530, 5705, 6320, 6520, 8848, 9128, 11060, 11410, 12877, 13040, 18256, 22120, 22820, 25754, 44240, 45640, 51508, 64385, 90139, 91280, 103016, 128770, 180278, 206032, 257540, 360556, 450695, 515080, 721112, 901390, 1030160, 1442224, 1802780, 3605560, 7211120]

約数ペア:

[(1, 7211120), (2, 3605560), (4, 1802780), (5, 1442224), (7, 1030160), (8, 901390), (10, 721112), (14, 515080), (16, 450695), (20, 360556), (28, 257540), (35, 206032), (40, 180278), (56, 128770), (70, 103016), (79, 91280), (80, 90139), (112, 64385), (140, 51508), (158, 45640), (163, 44240), (280, 25754), (316, 22820), (326, 22120), (395, 18256), (553, 13040), (560, 12877), (632, 11410), (652, 11060), (790, 9128), (815, 8848), (1106, 6520), (1141, 6320), (1264, 5705), (1304, 5530), (1580, 4564), (1630, 4424), (2212, 3260), (2282, 3160), (2608, 2765)]