72856640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 112

約数和(自身を含む): 190926720

約数和(自身を除く): 118070080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 521, 608, 736, 760, 874, 920, 1042, 1216, 1472, 1520, 1748, 1840, 2084, 2185, 2605, 3040, 3496, 3680, 4168, 4370, 5210, 6080, 6992, 7360, 8336, 8740, 9899, 10420, 11983, 13984, 16672, 17480, 19798, 20840, 23966, 27968, 33344, 34960, 39596, 41680, 47932, 49495, 59915, 69920, 79192, 83360, 95864, 98990, 119830, 139840, 158384, 166720, 191728, 197980, 227677, 239660, 316768, 383456, 395960, 455354, 479320, 633536, 766912, 791920, 910708, 958640, 1138385, 1583840, 1821416, 1917280, 2276770, 3167680, 3642832, 3834560, 4553540, 7285664, 9107080, 14571328, 18214160, 36428320, 72856640]

約数ペア:

[(1, 72856640), (2, 36428320), (4, 18214160), (5, 14571328), (8, 9107080), (10, 7285664), (16, 4553540), (19, 3834560), (20, 3642832), (23, 3167680), (32, 2276770), (38, 1917280), (40, 1821416), (46, 1583840), (64, 1138385), (76, 958640), (80, 910708), (92, 791920), (95, 766912), (115, 633536), (152, 479320), (160, 455354), (184, 395960), (190, 383456), (230, 316768), (304, 239660), (320, 227677), (368, 197980), (380, 191728), (437, 166720), (460, 158384), (521, 139840), (608, 119830), (736, 98990), (760, 95864), (874, 83360), (920, 79192), (1042, 69920), (1216, 59915), (1472, 49495), (1520, 47932), (1748, 41680), (1840, 39596), (2084, 34960), (2185, 33344), (2605, 27968), (3040, 23966), (3496, 20840), (3680, 19798), (4168, 17480), (4370, 16672), (5210, 13984), (6080, 11983), (6992, 10420), (7360, 9899), (8336, 8740)]