642401220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2521}}^1$

素因数の和:2701

約数の個数: 96

約数和(自身を含む): 1871041536

約数和(自身を除く): 1228640316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 137, 155, 186, 274, 310, 372, 411, 465, 548, 620, 685, 822, 930, 1370, 1644, 1860, 2055, 2521, 2740, 4110, 4247, 5042, 7563, 8220, 8494, 10084, 12605, 12741, 15126, 16988, 21235, 25210, 25482, 30252, 37815, 42470, 50420, 50964, 63705, 75630, 78151, 84940, 127410, 151260, 156302, 234453, 254820, 312604, 345377, 390755, 468906, 690754, 781510, 937812, 1036131, 1172265, 1381508, 1563020, 1726885, 2072262, 2344530, 3453770, 4144524, 4689060, 5180655, 6907540, 10361310, 10706687, 20722620, 21413374, 32120061, 42826748, 53533435, 64240122, 107066870, 128480244, 160600305, 214133740, 321200610, 642401220]

約数ペア:

[(1, 642401220), (2, 321200610), (3, 214133740), (4, 160600305), (5, 128480244), (6, 107066870), (10, 64240122), (12, 53533435), (15, 42826748), (20, 32120061), (30, 21413374), (31, 20722620), (60, 10706687), (62, 10361310), (93, 6907540), (124, 5180655), (137, 4689060), (155, 4144524), (186, 3453770), (274, 2344530), (310, 2072262), (372, 1726885), (411, 1563020), (465, 1381508), (548, 1172265), (620, 1036131), (685, 937812), (822, 781510), (930, 690754), (1370, 468906), (1644, 390755), (1860, 345377), (2055, 312604), (2521, 254820), (2740, 234453), (4110, 156302), (4247, 151260), (5042, 127410), (7563, 84940), (8220, 78151), (8494, 75630), (10084, 63705), (12605, 50964), (12741, 50420), (15126, 42470), (16988, 37815), (21235, 30252), (25210, 25482)]