281445360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{719}}^1$

素因数の和:975

約数の個数: 160

約数和(自身を含む): 1002792960

約数和(自身を除く): 721347600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 233, 240, 280, 336, 420, 466, 560, 699, 719, 840, 932, 1165, 1398, 1438, 1631, 1680, 1864, 2157, 2330, 2796, 2876, 3262, 3495, 3595, 3728, 4314, 4660, 4893, 5033, 5592, 5752, 6524, 6990, 7190, 8155, 8628, 9320, 9786, 10066, 10785, 11184, 11504, 13048, 13980, 14380, 15099, 16310, 17256, 18640, 19572, 20132, 21570, 24465, 25165, 26096, 27960, 28760, 30198, 32620, 34512, 39144, 40264, 43140, 48930, 50330, 55920, 57520, 60396, 65240, 75495, 78288, 80528, 86280, 97860, 100660, 120792, 130480, 150990, 167527, 172560, 195720, 201320, 241584, 301980, 335054, 391440, 402640, 502581, 603960, 670108, 837635, 1005162, 1172689, 1207920, 1340216, 1675270, 2010324, 2345378, 2512905, 2680432, 3350540, 3518067, 4020648, 4690756, 5025810, 5863445, 6701080, 7036134, 8041296, 9381512, 10051620, 11726890, 13402160, 14072268, 17590335, 18763024, 20103240, 23453780, 28144536, 35180670, 40206480, 46907560, 56289072, 70361340, 93815120, 140722680, 281445360]

約数ペア:

[(1, 281445360), (2, 140722680), (3, 93815120), (4, 70361340), (5, 56289072), (6, 46907560), (7, 40206480), (8, 35180670), (10, 28144536), (12, 23453780), (14, 20103240), (15, 18763024), (16, 17590335), (20, 14072268), (21, 13402160), (24, 11726890), (28, 10051620), (30, 9381512), (35, 8041296), (40, 7036134), (42, 6701080), (48, 5863445), (56, 5025810), (60, 4690756), (70, 4020648), (80, 3518067), (84, 3350540), (105, 2680432), (112, 2512905), (120, 2345378), (140, 2010324), (168, 1675270), (210, 1340216), (233, 1207920), (240, 1172689), (280, 1005162), (336, 837635), (420, 670108), (466, 603960), (560, 502581), (699, 402640), (719, 391440), (840, 335054), (932, 301980), (1165, 241584), (1398, 201320), (1438, 195720), (1631, 172560), (1680, 167527), (1864, 150990), (2157, 130480), (2330, 120792), (2796, 100660), (2876, 97860), (3262, 86280), (3495, 80528), (3595, 78288), (3728, 75495), (4314, 65240), (4660, 60396), (4893, 57520), (5033, 55920), (5592, 50330), (5752, 48930), (6524, 43140), (6990, 40264), (7190, 39144), (8155, 34512), (8628, 32620), (9320, 30198), (9786, 28760), (10066, 27960), (10785, 26096), (11184, 25165), (11504, 24465), (13048, 21570), (13980, 20132), (14380, 19572), (15099, 18640), (16310, 17256)]