90359920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 160

約数和(自身を含む): 254448000

約数和(自身を除く): 164088080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 89, 98, 112, 140, 148, 178, 185, 196, 245, 259, 280, 296, 343, 356, 370, 392, 445, 490, 518, 560, 592, 623, 686, 712, 740, 784, 890, 980, 1036, 1246, 1295, 1372, 1424, 1480, 1715, 1780, 1813, 1960, 2072, 2492, 2590, 2744, 2960, 3115, 3293, 3430, 3560, 3626, 3920, 4144, 4361, 4984, 5180, 5488, 6230, 6586, 6860, 7120, 7252, 8722, 9065, 9968, 10360, 12460, 12691, 13172, 13720, 14504, 16465, 17444, 18130, 20720, 21805, 23051, 24920, 25382, 26344, 27440, 29008, 30527, 32930, 34888, 36260, 43610, 46102, 49840, 50764, 52688, 61054, 63455, 65860, 69776, 72520, 87220, 92204, 101528, 115255, 122108, 126910, 131720, 145040, 152635, 161357, 174440, 184408, 203056, 230510, 244216, 253820, 263440, 305270, 322714, 348880, 368816, 461020, 488432, 507640, 610540, 645428, 806785, 922040, 1015280, 1129499, 1221080, 1290856, 1613570, 1844080, 2258998, 2442160, 2581712, 3227140, 4517996, 5647495, 6454280, 9035992, 11294990, 12908560, 18071984, 22589980, 45179960, 90359920]

約数ペア:

[(1, 90359920), (2, 45179960), (4, 22589980), (5, 18071984), (7, 12908560), (8, 11294990), (10, 9035992), (14, 6454280), (16, 5647495), (20, 4517996), (28, 3227140), (35, 2581712), (37, 2442160), (40, 2258998), (49, 1844080), (56, 1613570), (70, 1290856), (74, 1221080), (80, 1129499), (89, 1015280), (98, 922040), (112, 806785), (140, 645428), (148, 610540), (178, 507640), (185, 488432), (196, 461020), (245, 368816), (259, 348880), (280, 322714), (296, 305270), (343, 263440), (356, 253820), (370, 244216), (392, 230510), (445, 203056), (490, 184408), (518, 174440), (560, 161357), (592, 152635), (623, 145040), (686, 131720), (712, 126910), (740, 122108), (784, 115255), (890, 101528), (980, 92204), (1036, 87220), (1246, 72520), (1295, 69776), (1372, 65860), (1424, 63455), (1480, 61054), (1715, 52688), (1780, 50764), (1813, 49840), (1960, 46102), (2072, 43610), (2492, 36260), (2590, 34888), (2744, 32930), (2960, 30527), (3115, 29008), (3293, 27440), (3430, 26344), (3560, 25382), (3626, 24920), (3920, 23051), (4144, 21805), (4361, 20720), (4984, 18130), (5180, 17444), (5488, 16465), (6230, 14504), (6586, 13720), (6860, 13172), (7120, 12691), (7252, 12460), (8722, 10360), (9065, 9968)]