28199640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 98496000

約数和(自身を除く): 70296360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 413, 420, 472, 569, 590, 708, 826, 840, 885, 1138, 1180, 1239, 1416, 1652, 1707, 1770, 2065, 2276, 2360, 2478, 2845, 3304, 3414, 3540, 3983, 4130, 4552, 4956, 5690, 6195, 6828, 7080, 7966, 8260, 8535, 9912, 11380, 11949, 12390, 13656, 15932, 16520, 17070, 19915, 22760, 23898, 24780, 31864, 33571, 34140, 39830, 47796, 49560, 59745, 67142, 68280, 79660, 95592, 100713, 119490, 134284, 159320, 167855, 201426, 234997, 238980, 268568, 335710, 402852, 469994, 477960, 503565, 671420, 704991, 805704, 939988, 1007130, 1174985, 1342840, 1409982, 1879976, 2014260, 2349970, 2819964, 3524955, 4028520, 4699940, 5639928, 7049910, 9399880, 14099820, 28199640]

約数ペア:

[(1, 28199640), (2, 14099820), (3, 9399880), (4, 7049910), (5, 5639928), (6, 4699940), (7, 4028520), (8, 3524955), (10, 2819964), (12, 2349970), (14, 2014260), (15, 1879976), (20, 1409982), (21, 1342840), (24, 1174985), (28, 1007130), (30, 939988), (35, 805704), (40, 704991), (42, 671420), (56, 503565), (59, 477960), (60, 469994), (70, 402852), (84, 335710), (105, 268568), (118, 238980), (120, 234997), (140, 201426), (168, 167855), (177, 159320), (210, 134284), (236, 119490), (280, 100713), (295, 95592), (354, 79660), (413, 68280), (420, 67142), (472, 59745), (569, 49560), (590, 47796), (708, 39830), (826, 34140), (840, 33571), (885, 31864), (1138, 24780), (1180, 23898), (1239, 22760), (1416, 19915), (1652, 17070), (1707, 16520), (1770, 15932), (2065, 13656), (2276, 12390), (2360, 11949), (2478, 11380), (2845, 9912), (3304, 8535), (3414, 8260), (3540, 7966), (3983, 7080), (4130, 6828), (4552, 6195), (4956, 5690)]