71997640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 195592320

約数和(自身を除く): 123594680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 41, 44, 52, 55, 65, 82, 88, 104, 110, 130, 143, 164, 205, 220, 260, 286, 307, 328, 410, 440, 451, 520, 533, 572, 614, 715, 820, 902, 1066, 1144, 1228, 1430, 1535, 1640, 1804, 2132, 2255, 2456, 2665, 2860, 3070, 3377, 3608, 3991, 4264, 4510, 5330, 5720, 5863, 6140, 6754, 7982, 9020, 10660, 11726, 12280, 12587, 13508, 15964, 16885, 18040, 19955, 21320, 23452, 25174, 27016, 29315, 31928, 33770, 39910, 43901, 46904, 50348, 58630, 62935, 67540, 79820, 87802, 100696, 117260, 125870, 135080, 138457, 159640, 163631, 175604, 219505, 234520, 251740, 276914, 327262, 351208, 439010, 503480, 553828, 654524, 692285, 818155, 878020, 1107656, 1309048, 1384570, 1636310, 1756040, 1799941, 2769140, 3272620, 3599882, 5538280, 6545240, 7199764, 8999705, 14399528, 17999410, 35998820, 71997640]

約数ペア:

[(1, 71997640), (2, 35998820), (4, 17999410), (5, 14399528), (8, 8999705), (10, 7199764), (11, 6545240), (13, 5538280), (20, 3599882), (22, 3272620), (26, 2769140), (40, 1799941), (41, 1756040), (44, 1636310), (52, 1384570), (55, 1309048), (65, 1107656), (82, 878020), (88, 818155), (104, 692285), (110, 654524), (130, 553828), (143, 503480), (164, 439010), (205, 351208), (220, 327262), (260, 276914), (286, 251740), (307, 234520), (328, 219505), (410, 175604), (440, 163631), (451, 159640), (520, 138457), (533, 135080), (572, 125870), (614, 117260), (715, 100696), (820, 87802), (902, 79820), (1066, 67540), (1144, 62935), (1228, 58630), (1430, 50348), (1535, 46904), (1640, 43901), (1804, 39910), (2132, 33770), (2255, 31928), (2456, 29315), (2665, 27016), (2860, 25174), (3070, 23452), (3377, 21320), (3608, 19955), (3991, 18040), (4264, 16885), (4510, 15964), (5330, 13508), (5720, 12587), (5863, 12280), (6140, 11726), (6754, 10660), (7982, 9020)]