28557480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33997}}^1$

素因数の和:34018

約数の個数: 64

約数和(自身を含む): 97914240

約数和(自身を除く): 69356760

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, 420, 840, 33997, 67994, 101991, 135988, 169985, 203982, 237979, 271976, 339970, 407964, 475958, 509955, 679940, 713937, 815928, 951916, 1019910, 1189895, 1359880, 1427874, 1903832, 2039820, 2379790, 2855748, 3569685, 4079640, 4759580, 5711496, 7139370, 9519160, 14278740, 28557480]

約数ペア:

[(1, 28557480), (2, 14278740), (3, 9519160), (4, 7139370), (5, 5711496), (6, 4759580), (7, 4079640), (8, 3569685), (10, 2855748), (12, 2379790), (14, 2039820), (15, 1903832), (20, 1427874), (21, 1359880), (24, 1189895), (28, 1019910), (30, 951916), (35, 815928), (40, 713937), (42, 679940), (56, 509955), (60, 475958), (70, 407964), (84, 339970), (105, 271976), (120, 237979), (140, 203982), (168, 169985), (210, 135988), (280, 101991), (420, 67994), (840, 33997)]