90735960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1121

約数の個数: 128

約数和(自身を含む): 314265600

約数和(自身を除く): 223529640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 991, 1090, 1308, 1526, 1635, 1982, 2180, 2289, 2616, 2973, 3052, 3270, 3815, 3964, 4360, 4578, 4955, 5946, 6104, 6540, 6937, 7630, 7928, 9156, 9910, 11445, 11892, 13080, 13874, 14865, 15260, 18312, 19820, 20811, 22890, 23784, 27748, 29730, 30520, 34685, 39640, 41622, 45780, 55496, 59460, 69370, 83244, 91560, 104055, 108019, 118920, 138740, 166488, 208110, 216038, 277480, 324057, 416220, 432076, 540095, 648114, 756133, 832440, 864152, 1080190, 1296228, 1512266, 1620285, 2160380, 2268399, 2592456, 3024532, 3240570, 3780665, 4320760, 4536798, 6049064, 6481140, 7561330, 9073596, 11341995, 12962280, 15122660, 18147192, 22683990, 30245320, 45367980, 90735960]

約数ペア:

[(1, 90735960), (2, 45367980), (3, 30245320), (4, 22683990), (5, 18147192), (6, 15122660), (7, 12962280), (8, 11341995), (10, 9073596), (12, 7561330), (14, 6481140), (15, 6049064), (20, 4536798), (21, 4320760), (24, 3780665), (28, 3240570), (30, 3024532), (35, 2592456), (40, 2268399), (42, 2160380), (56, 1620285), (60, 1512266), (70, 1296228), (84, 1080190), (105, 864152), (109, 832440), (120, 756133), (140, 648114), (168, 540095), (210, 432076), (218, 416220), (280, 324057), (327, 277480), (420, 216038), (436, 208110), (545, 166488), (654, 138740), (763, 118920), (840, 108019), (872, 104055), (991, 91560), (1090, 83244), (1308, 69370), (1526, 59460), (1635, 55496), (1982, 45780), (2180, 41622), (2289, 39640), (2616, 34685), (2973, 30520), (3052, 29730), (3270, 27748), (3815, 23784), (3964, 22890), (4360, 20811), (4578, 19820), (4955, 18312), (5946, 15260), (6104, 14865), (6540, 13874), (6937, 13080), (7630, 11892), (7928, 11445), (9156, 9910)]