90546040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 233694720

約数和(自身を除く): 143148680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 137, 155, 164, 205, 248, 260, 274, 310, 328, 403, 410, 520, 533, 548, 620, 685, 806, 820, 1066, 1096, 1240, 1271, 1370, 1612, 1640, 1781, 2015, 2132, 2542, 2665, 2740, 3224, 3562, 4030, 4247, 4264, 5084, 5330, 5480, 5617, 6355, 7124, 8060, 8494, 8905, 10168, 10660, 11234, 12710, 14248, 16120, 16523, 16988, 17810, 21235, 21320, 22468, 25420, 28085, 33046, 33976, 35620, 42470, 44936, 50840, 55211, 56170, 66092, 71240, 73021, 82615, 84940, 110422, 112340, 132184, 146042, 165230, 169880, 174127, 220844, 224680, 276055, 292084, 330460, 348254, 365105, 441688, 552110, 584168, 660920, 696508, 730210, 870635, 1104220, 1393016, 1460420, 1741270, 2208440, 2263651, 2920840, 3482540, 4527302, 6965080, 9054604, 11318255, 18109208, 22636510, 45273020, 90546040]

約数ペア:

[(1, 90546040), (2, 45273020), (4, 22636510), (5, 18109208), (8, 11318255), (10, 9054604), (13, 6965080), (20, 4527302), (26, 3482540), (31, 2920840), (40, 2263651), (41, 2208440), (52, 1741270), (62, 1460420), (65, 1393016), (82, 1104220), (104, 870635), (124, 730210), (130, 696508), (137, 660920), (155, 584168), (164, 552110), (205, 441688), (248, 365105), (260, 348254), (274, 330460), (310, 292084), (328, 276055), (403, 224680), (410, 220844), (520, 174127), (533, 169880), (548, 165230), (620, 146042), (685, 132184), (806, 112340), (820, 110422), (1066, 84940), (1096, 82615), (1240, 73021), (1271, 71240), (1370, 66092), (1612, 56170), (1640, 55211), (1781, 50840), (2015, 44936), (2132, 42470), (2542, 35620), (2665, 33976), (2740, 33046), (3224, 28085), (3562, 25420), (4030, 22468), (4247, 21320), (4264, 21235), (5084, 17810), (5330, 16988), (5480, 16523), (5617, 16120), (6355, 14248), (7124, 12710), (8060, 11234), (8494, 10660), (8905, 10168)]