90137920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 230721408

約数和(自身を除く): 140583488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 148, 160, 184, 185, 230, 296, 320, 331, 368, 370, 460, 592, 662, 736, 740, 851, 920, 1184, 1324, 1472, 1480, 1655, 1702, 1840, 2368, 2648, 2960, 3310, 3404, 3680, 4255, 5296, 5920, 6620, 6808, 7360, 7613, 8510, 10592, 11840, 12247, 13240, 13616, 15226, 17020, 21184, 24494, 26480, 27232, 30452, 34040, 38065, 48988, 52960, 54464, 60904, 61235, 68080, 76130, 97976, 105920, 121808, 122470, 136160, 152260, 195952, 243616, 244940, 272320, 281681, 304520, 391904, 487232, 489880, 563362, 609040, 783808, 979760, 1126724, 1218080, 1408405, 1959520, 2253448, 2436160, 2816810, 3919040, 4506896, 5633620, 9013792, 11267240, 18027584, 22534480, 45068960, 90137920]

約数ペア:

[(1, 90137920), (2, 45068960), (4, 22534480), (5, 18027584), (8, 11267240), (10, 9013792), (16, 5633620), (20, 4506896), (23, 3919040), (32, 2816810), (37, 2436160), (40, 2253448), (46, 1959520), (64, 1408405), (74, 1218080), (80, 1126724), (92, 979760), (115, 783808), (148, 609040), (160, 563362), (184, 489880), (185, 487232), (230, 391904), (296, 304520), (320, 281681), (331, 272320), (368, 244940), (370, 243616), (460, 195952), (592, 152260), (662, 136160), (736, 122470), (740, 121808), (851, 105920), (920, 97976), (1184, 76130), (1324, 68080), (1472, 61235), (1480, 60904), (1655, 54464), (1702, 52960), (1840, 48988), (2368, 38065), (2648, 34040), (2960, 30452), (3310, 27232), (3404, 26480), (3680, 24494), (4255, 21184), (5296, 17020), (5920, 15226), (6620, 13616), (6808, 13240), (7360, 12247), (7613, 11840), (8510, 10592)]