253309120

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 112

約数和(自身を含む): 636715008

約数和(自身を除く): 383405888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 160, 184, 230, 254, 271, 320, 368, 460, 508, 542, 635, 736, 920, 1016, 1084, 1270, 1355, 1472, 1840, 2032, 2168, 2540, 2710, 2921, 3680, 4064, 4336, 5080, 5420, 5842, 6233, 7360, 8128, 8672, 10160, 10840, 11684, 12466, 14605, 17344, 20320, 21680, 23368, 24932, 29210, 31165, 34417, 40640, 43360, 46736, 49864, 58420, 62330, 68834, 86720, 93472, 99728, 116840, 124660, 137668, 172085, 186944, 199456, 233680, 249320, 275336, 344170, 398912, 467360, 498640, 550672, 688340, 791591, 934720, 997280, 1101344, 1376680, 1583182, 1994560, 2202688, 2753360, 3166364, 3957955, 5506720, 6332728, 7915910, 11013440, 12665456, 15831820, 25330912, 31663640, 50661824, 63327280, 126654560, 253309120]

約数ペア:

[(1, 253309120), (2, 126654560), (4, 63327280), (5, 50661824), (8, 31663640), (10, 25330912), (16, 15831820), (20, 12665456), (23, 11013440), (32, 7915910), (40, 6332728), (46, 5506720), (64, 3957955), (80, 3166364), (92, 2753360), (115, 2202688), (127, 1994560), (160, 1583182), (184, 1376680), (230, 1101344), (254, 997280), (271, 934720), (320, 791591), (368, 688340), (460, 550672), (508, 498640), (542, 467360), (635, 398912), (736, 344170), (920, 275336), (1016, 249320), (1084, 233680), (1270, 199456), (1355, 186944), (1472, 172085), (1840, 137668), (2032, 124660), (2168, 116840), (2540, 99728), (2710, 93472), (2921, 86720), (3680, 68834), (4064, 62330), (4336, 58420), (5080, 49864), (5420, 46736), (5842, 43360), (6233, 40640), (7360, 34417), (8128, 31165), (8672, 29210), (10160, 24932), (10840, 23368), (11684, 21680), (12466, 20320), (14605, 17344)]