64973480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 176964480

約数和(自身を除く): 111991000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 143, 148, 185, 220, 260, 286, 296, 307, 370, 407, 440, 481, 520, 572, 614, 715, 740, 814, 962, 1144, 1228, 1430, 1480, 1535, 1628, 1924, 2035, 2405, 2456, 2860, 3070, 3256, 3377, 3848, 3991, 4070, 4810, 5291, 5720, 6140, 6754, 7982, 8140, 9620, 10582, 11359, 12280, 13508, 15964, 16280, 16885, 19240, 19955, 21164, 22718, 26455, 27016, 31928, 33770, 39910, 42328, 43901, 45436, 52910, 56795, 67540, 79820, 87802, 90872, 105820, 113590, 124949, 135080, 147667, 159640, 175604, 211640, 219505, 227180, 249898, 295334, 351208, 439010, 454360, 499796, 590668, 624745, 738335, 878020, 999592, 1181336, 1249490, 1476670, 1624337, 1756040, 2498980, 2953340, 3248674, 4997960, 5906680, 6497348, 8121685, 12994696, 16243370, 32486740, 64973480]

約数ペア:

[(1, 64973480), (2, 32486740), (4, 16243370), (5, 12994696), (8, 8121685), (10, 6497348), (11, 5906680), (13, 4997960), (20, 3248674), (22, 2953340), (26, 2498980), (37, 1756040), (40, 1624337), (44, 1476670), (52, 1249490), (55, 1181336), (65, 999592), (74, 878020), (88, 738335), (104, 624745), (110, 590668), (130, 499796), (143, 454360), (148, 439010), (185, 351208), (220, 295334), (260, 249898), (286, 227180), (296, 219505), (307, 211640), (370, 175604), (407, 159640), (440, 147667), (481, 135080), (520, 124949), (572, 113590), (614, 105820), (715, 90872), (740, 87802), (814, 79820), (962, 67540), (1144, 56795), (1228, 52910), (1430, 45436), (1480, 43901), (1535, 42328), (1628, 39910), (1924, 33770), (2035, 31928), (2405, 27016), (2456, 26455), (2860, 22718), (3070, 21164), (3256, 19955), (3377, 19240), (3848, 16885), (3991, 16280), (4070, 15964), (4810, 13508), (5291, 12280), (5720, 11359), (6140, 10582), (6754, 9620), (7982, 8140)]