127291120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1934

約数の個数: 80

約数和(自身を含む): 327121920

約数和(自身を除く): 199830800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 1831, 3160, 3476, 3662, 4345, 6320, 6952, 7324, 8690, 9155, 13904, 14648, 17380, 18310, 20141, 29296, 34760, 36620, 40282, 69520, 73240, 80564, 100705, 144649, 146480, 161128, 201410, 289298, 322256, 402820, 578596, 723245, 805640, 1157192, 1446490, 1591139, 1611280, 2314384, 2892980, 3182278, 5785960, 6364556, 7955695, 11571920, 12729112, 15911390, 25458224, 31822780, 63645560, 127291120]

約数ペア:

[(1, 127291120), (2, 63645560), (4, 31822780), (5, 25458224), (8, 15911390), (10, 12729112), (11, 11571920), (16, 7955695), (20, 6364556), (22, 5785960), (40, 3182278), (44, 2892980), (55, 2314384), (79, 1611280), (80, 1591139), (88, 1446490), (110, 1157192), (158, 805640), (176, 723245), (220, 578596), (316, 402820), (395, 322256), (440, 289298), (632, 201410), (790, 161128), (869, 146480), (880, 144649), (1264, 100705), (1580, 80564), (1738, 73240), (1831, 69520), (3160, 40282), (3476, 36620), (3662, 34760), (4345, 29296), (6320, 20141), (6952, 18310), (7324, 17380), (8690, 14648), (9155, 13904)]