72972720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2419

約数の個数: 120

約数和(自身を含む): 250872336

約数和(自身を除く): 177899616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2357, 2580, 3096, 3440, 3870, 4714, 5160, 6192, 7071, 7740, 9428, 10320, 11785, 14142, 15480, 18856, 21213, 23570, 28284, 30960, 35355, 37712, 42426, 47140, 56568, 70710, 84852, 94280, 101351, 106065, 113136, 141420, 169704, 188560, 202702, 212130, 282840, 304053, 339408, 405404, 424260, 506755, 565680, 608106, 810808, 848520, 912159, 1013510, 1216212, 1520265, 1621616, 1697040, 1824318, 2027020, 2432424, 3040530, 3648636, 4054040, 4560795, 4864848, 6081060, 7297272, 8108080, 9121590, 12162120, 14594544, 18243180, 24324240, 36486360, 72972720]

約数ペア:

[(1, 72972720), (2, 36486360), (3, 24324240), (4, 18243180), (5, 14594544), (6, 12162120), (8, 9121590), (9, 8108080), (10, 7297272), (12, 6081060), (15, 4864848), (16, 4560795), (18, 4054040), (20, 3648636), (24, 3040530), (30, 2432424), (36, 2027020), (40, 1824318), (43, 1697040), (45, 1621616), (48, 1520265), (60, 1216212), (72, 1013510), (80, 912159), (86, 848520), (90, 810808), (120, 608106), (129, 565680), (144, 506755), (172, 424260), (180, 405404), (215, 339408), (240, 304053), (258, 282840), (344, 212130), (360, 202702), (387, 188560), (430, 169704), (516, 141420), (645, 113136), (688, 106065), (720, 101351), (774, 94280), (860, 84852), (1032, 70710), (1290, 56568), (1548, 47140), (1720, 42426), (1935, 37712), (2064, 35355), (2357, 30960), (2580, 28284), (3096, 23570), (3440, 21213), (3870, 18856), (4714, 15480), (5160, 14142), (6192, 11785), (7071, 10320), (7740, 9428)]