18813303320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{2683}}^1$

素因数の和:3097

約数の個数: 128

約数和(自身を含む): 49162291200

約数和(自身を除く): 30348987880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 317, 395, 553, 632, 634, 790, 1106, 1268, 1580, 1585, 2212, 2219, 2536, 2683, 2765, 3160, 3170, 4424, 4438, 5366, 5530, 6340, 8876, 10732, 11060, 11095, 12680, 13415, 17752, 18781, 21464, 22120, 22190, 25043, 26830, 37562, 44380, 50086, 53660, 75124, 88760, 93905, 100172, 107320, 125215, 150248, 175301, 187810, 200344, 211957, 250430, 350602, 375620, 423914, 500860, 701204, 751240, 847828, 850511, 876505, 1001720, 1059785, 1402408, 1483699, 1695656, 1701022, 1753010, 2119570, 2967398, 3402044, 3506020, 4239140, 4252555, 5934796, 5953577, 6804088, 7012040, 7418495, 8478280, 8505110, 11869592, 11907154, 14836990, 17010220, 23814308, 29673980, 29767885, 34020440, 47628616, 59347960, 59535770, 67190369, 119071540, 134380738, 238143080, 268761476, 335951845, 470332583, 537522952, 671903690, 940665166, 1343807380, 1881330332, 2351662915, 2687614760, 3762660664, 4703325830, 9406651660, 18813303320]

約数ペア:

[(1, 18813303320), (2, 9406651660), (4, 4703325830), (5, 3762660664), (7, 2687614760), (8, 2351662915), (10, 1881330332), (14, 1343807380), (20, 940665166), (28, 671903690), (35, 537522952), (40, 470332583), (56, 335951845), (70, 268761476), (79, 238143080), (140, 134380738), (158, 119071540), (280, 67190369), (316, 59535770), (317, 59347960), (395, 47628616), (553, 34020440), (632, 29767885), (634, 29673980), (790, 23814308), (1106, 17010220), (1268, 14836990), (1580, 11907154), (1585, 11869592), (2212, 8505110), (2219, 8478280), (2536, 7418495), (2683, 7012040), (2765, 6804088), (3160, 5953577), (3170, 5934796), (4424, 4252555), (4438, 4239140), (5366, 3506020), (5530, 3402044), (6340, 2967398), (8876, 2119570), (10732, 1753010), (11060, 1701022), (11095, 1695656), (12680, 1483699), (13415, 1402408), (17752, 1059785), (18781, 1001720), (21464, 876505), (22120, 850511), (22190, 847828), (25043, 751240), (26830, 701204), (37562, 500860), (44380, 423914), (50086, 375620), (53660, 350602), (75124, 250430), (88760, 211957), (93905, 200344), (100172, 187810), (107320, 175301), (125215, 150248)]