80644020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 235339776

約数和(自身を除く): 154695756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 191, 227, 310, 372, 382, 454, 465, 573, 620, 681, 764, 908, 930, 955, 1135, 1146, 1362, 1860, 1910, 2270, 2292, 2724, 2865, 3405, 3820, 4540, 5730, 5921, 6810, 7037, 11460, 11842, 13620, 14074, 17763, 21111, 23684, 28148, 29605, 35185, 35526, 42222, 43357, 59210, 70370, 71052, 84444, 86714, 88815, 105555, 118420, 130071, 140740, 173428, 177630, 211110, 216785, 260142, 355260, 422220, 433570, 520284, 650355, 867140, 1300710, 1344067, 2601420, 2688134, 4032201, 5376268, 6720335, 8064402, 13440670, 16128804, 20161005, 26881340, 40322010, 80644020]

約数ペア:

[(1, 80644020), (2, 40322010), (3, 26881340), (4, 20161005), (5, 16128804), (6, 13440670), (10, 8064402), (12, 6720335), (15, 5376268), (20, 4032201), (30, 2688134), (31, 2601420), (60, 1344067), (62, 1300710), (93, 867140), (124, 650355), (155, 520284), (186, 433570), (191, 422220), (227, 355260), (310, 260142), (372, 216785), (382, 211110), (454, 177630), (465, 173428), (573, 140740), (620, 130071), (681, 118420), (764, 105555), (908, 88815), (930, 86714), (955, 84444), (1135, 71052), (1146, 70370), (1362, 59210), (1860, 43357), (1910, 42222), (2270, 35526), (2292, 35185), (2724, 29605), (2865, 28148), (3405, 23684), (3820, 21111), (4540, 17763), (5730, 14074), (5921, 13620), (6810, 11842), (7037, 11460)]