90812540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1287

約数の個数: 96

約数和(自身を含む): 240637824

約数和(自身を除く): 149825284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 91, 130, 140, 164, 182, 205, 260, 287, 364, 410, 455, 533, 574, 820, 910, 1066, 1148, 1217, 1435, 1820, 2132, 2434, 2665, 2870, 3731, 4868, 5330, 5740, 6085, 7462, 8519, 10660, 12170, 14924, 15821, 17038, 18655, 24340, 31642, 34076, 37310, 42595, 49897, 63284, 74620, 79105, 85190, 99794, 110747, 158210, 170380, 199588, 221494, 249485, 316420, 349279, 442988, 498970, 553735, 648661, 698558, 997940, 1107470, 1297322, 1397116, 1746395, 2214940, 2594644, 3243305, 3492790, 4540627, 6486610, 6985580, 9081254, 12973220, 18162508, 22703135, 45406270, 90812540]

約数ペア:

[(1, 90812540), (2, 45406270), (4, 22703135), (5, 18162508), (7, 12973220), (10, 9081254), (13, 6985580), (14, 6486610), (20, 4540627), (26, 3492790), (28, 3243305), (35, 2594644), (41, 2214940), (52, 1746395), (65, 1397116), (70, 1297322), (82, 1107470), (91, 997940), (130, 698558), (140, 648661), (164, 553735), (182, 498970), (205, 442988), (260, 349279), (287, 316420), (364, 249485), (410, 221494), (455, 199588), (533, 170380), (574, 158210), (820, 110747), (910, 99794), (1066, 85190), (1148, 79105), (1217, 74620), (1435, 63284), (1820, 49897), (2132, 42595), (2434, 37310), (2665, 34076), (2870, 31642), (3731, 24340), (4868, 18655), (5330, 17038), (5740, 15821), (6085, 14924), (7462, 12170), (8519, 10660)]