247019640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{719}}^1$

素因数の和:1149

約数の個数: 128

約数和(自身を含む): 850176000

約数和(自身を除く): 603156360

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, 120, 140, 168, 210, 280, 409, 420, 719, 818, 840, 1227, 1438, 1636, 2045, 2157, 2454, 2863, 2876, 3272, 3595, 4090, 4314, 4908, 5033, 5726, 5752, 6135, 7190, 8180, 8589, 8628, 9816, 10066, 10785, 11452, 12270, 14315, 14380, 15099, 16360, 17178, 17256, 20132, 21570, 22904, 24540, 25165, 28630, 28760, 30198, 34356, 40264, 42945, 43140, 49080, 50330, 57260, 60396, 68712, 75495, 85890, 86280, 100660, 114520, 120792, 150990, 171780, 201320, 294071, 301980, 343560, 588142, 603960, 882213, 1176284, 1470355, 1764426, 2058497, 2352568, 2940710, 3528852, 4116994, 4411065, 5881420, 6175491, 7057704, 8233988, 8822130, 10292485, 11762840, 12350982, 16467976, 17644260, 20584970, 24701964, 30877455, 35288520, 41169940, 49403928, 61754910, 82339880, 123509820, 247019640]

約数ペア:

[(1, 247019640), (2, 123509820), (3, 82339880), (4, 61754910), (5, 49403928), (6, 41169940), (7, 35288520), (8, 30877455), (10, 24701964), (12, 20584970), (14, 17644260), (15, 16467976), (20, 12350982), (21, 11762840), (24, 10292485), (28, 8822130), (30, 8233988), (35, 7057704), (40, 6175491), (42, 5881420), (56, 4411065), (60, 4116994), (70, 3528852), (84, 2940710), (105, 2352568), (120, 2058497), (140, 1764426), (168, 1470355), (210, 1176284), (280, 882213), (409, 603960), (420, 588142), (719, 343560), (818, 301980), (840, 294071), (1227, 201320), (1438, 171780), (1636, 150990), (2045, 120792), (2157, 114520), (2454, 100660), (2863, 86280), (2876, 85890), (3272, 75495), (3595, 68712), (4090, 60396), (4314, 57260), (4908, 50330), (5033, 49080), (5726, 43140), (5752, 42945), (6135, 40264), (7190, 34356), (8180, 30198), (8589, 28760), (8628, 28630), (9816, 25165), (10066, 24540), (10785, 22904), (11452, 21570), (12270, 20132), (14315, 17256), (14380, 17178), (15099, 16360)]