91490320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2672

約数の個数: 80

約数和(自身を含む): 233735040

約数和(自身を除く): 142244720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 2617, 3496, 4370, 5234, 6992, 8740, 10468, 13085, 17480, 20936, 26170, 34960, 41872, 49723, 52340, 60191, 99446, 104680, 120382, 198892, 209360, 240764, 248615, 300955, 397784, 481528, 497230, 601910, 795568, 963056, 994460, 1143629, 1203820, 1988920, 2287258, 2407640, 3977840, 4574516, 4815280, 5718145, 9149032, 11436290, 18298064, 22872580, 45745160, 91490320]

約数ペア:

[(1, 91490320), (2, 45745160), (4, 22872580), (5, 18298064), (8, 11436290), (10, 9149032), (16, 5718145), (19, 4815280), (20, 4574516), (23, 3977840), (38, 2407640), (40, 2287258), (46, 1988920), (76, 1203820), (80, 1143629), (92, 994460), (95, 963056), (115, 795568), (152, 601910), (184, 497230), (190, 481528), (230, 397784), (304, 300955), (368, 248615), (380, 240764), (437, 209360), (460, 198892), (760, 120382), (874, 104680), (920, 99446), (1520, 60191), (1748, 52340), (1840, 49723), (2185, 41872), (2617, 34960), (3496, 26170), (4370, 20936), (5234, 17480), (6992, 13085), (8740, 10468)]