29978960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 81140640

約数和(自身を除く): 51161680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 163, 176, 190, 209, 220, 242, 304, 326, 380, 418, 440, 484, 605, 652, 760, 815, 836, 880, 968, 1045, 1210, 1304, 1520, 1630, 1672, 1793, 1936, 2090, 2299, 2420, 2608, 3097, 3260, 3344, 3586, 4180, 4598, 4840, 6194, 6520, 7172, 8360, 8965, 9196, 9680, 11495, 12388, 13040, 14344, 15485, 16720, 17930, 18392, 19723, 22990, 24776, 28688, 30970, 34067, 35860, 36784, 39446, 45980, 49552, 61940, 68134, 71720, 78892, 91960, 98615, 123880, 136268, 143440, 157784, 170335, 183920, 197230, 247760, 272536, 315568, 340670, 374737, 394460, 545072, 681340, 749474, 788920, 1362680, 1498948, 1577840, 1873685, 2725360, 2997896, 3747370, 5995792, 7494740, 14989480, 29978960]

約数ペア:

[(1, 29978960), (2, 14989480), (4, 7494740), (5, 5995792), (8, 3747370), (10, 2997896), (11, 2725360), (16, 1873685), (19, 1577840), (20, 1498948), (22, 1362680), (38, 788920), (40, 749474), (44, 681340), (55, 545072), (76, 394460), (80, 374737), (88, 340670), (95, 315568), (110, 272536), (121, 247760), (152, 197230), (163, 183920), (176, 170335), (190, 157784), (209, 143440), (220, 136268), (242, 123880), (304, 98615), (326, 91960), (380, 78892), (418, 71720), (440, 68134), (484, 61940), (605, 49552), (652, 45980), (760, 39446), (815, 36784), (836, 35860), (880, 34067), (968, 30970), (1045, 28688), (1210, 24776), (1304, 22990), (1520, 19723), (1630, 18392), (1672, 17930), (1793, 16720), (1936, 15485), (2090, 14344), (2299, 13040), (2420, 12388), (2608, 11495), (3097, 9680), (3260, 9196), (3344, 8965), (3586, 8360), (4180, 7172), (4598, 6520), (4840, 6194)]