2756996840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 6892300800

約数和(自身を除く): 4135303960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 73, 104, 118, 130, 146, 236, 260, 292, 295, 365, 472, 520, 584, 590, 730, 767, 949, 1180, 1231, 1460, 1534, 1898, 2360, 2462, 2920, 3068, 3796, 3835, 4307, 4745, 4924, 6136, 6155, 7592, 7670, 8614, 9490, 9848, 12310, 15340, 16003, 17228, 18980, 21535, 24620, 30680, 32006, 34456, 37960, 43070, 49240, 55991, 64012, 72629, 80015, 86140, 89863, 111982, 128024, 145258, 160030, 172280, 179726, 223964, 279955, 290516, 320060, 359452, 363145, 447928, 449315, 559910, 581032, 640120, 718904, 726290, 898630, 944177, 1119820, 1168219, 1452580, 1797260, 1888354, 2239640, 2336438, 2905160, 3594520, 3776708, 4672876, 4720885, 5301917, 5841095, 7553416, 9345752, 9441770, 10603834, 11682190, 18883540, 21207668, 23364380, 26509585, 37767080, 42415336, 46728760, 53019170, 68924921, 106038340, 137849842, 212076680, 275699684, 344624605, 551399368, 689249210, 1378498420, 2756996840]

約数ペア:

[(1, 2756996840), (2, 1378498420), (4, 689249210), (5, 551399368), (8, 344624605), (10, 275699684), (13, 212076680), (20, 137849842), (26, 106038340), (40, 68924921), (52, 53019170), (59, 46728760), (65, 42415336), (73, 37767080), (104, 26509585), (118, 23364380), (130, 21207668), (146, 18883540), (236, 11682190), (260, 10603834), (292, 9441770), (295, 9345752), (365, 7553416), (472, 5841095), (520, 5301917), (584, 4720885), (590, 4672876), (730, 3776708), (767, 3594520), (949, 2905160), (1180, 2336438), (1231, 2239640), (1460, 1888354), (1534, 1797260), (1898, 1452580), (2360, 1168219), (2462, 1119820), (2920, 944177), (3068, 898630), (3796, 726290), (3835, 718904), (4307, 640120), (4745, 581032), (4924, 559910), (6136, 449315), (6155, 447928), (7592, 363145), (7670, 359452), (8614, 320060), (9490, 290516), (9848, 279955), (12310, 223964), (15340, 179726), (16003, 172280), (17228, 160030), (18980, 145258), (21535, 128024), (24620, 111982), (30680, 89863), (32006, 86140), (34456, 80015), (37960, 72629), (43070, 64012), (49240, 55991)]