63408280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2084

約数の個数: 64

約数和(自身を含む): 156240000

約数和(自身を除く): 92831720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 1999, 2440, 3172, 3965, 3998, 6344, 7930, 7996, 9995, 15860, 15992, 19990, 25987, 31720, 39980, 51974, 79960, 103948, 121939, 129935, 207896, 243878, 259870, 487756, 519740, 609695, 975512, 1039480, 1219390, 1585207, 2438780, 3170414, 4877560, 6340828, 7926035, 12681656, 15852070, 31704140, 63408280]

約数ペア:

[(1, 63408280), (2, 31704140), (4, 15852070), (5, 12681656), (8, 7926035), (10, 6340828), (13, 4877560), (20, 3170414), (26, 2438780), (40, 1585207), (52, 1219390), (61, 1039480), (65, 975512), (104, 609695), (122, 519740), (130, 487756), (244, 259870), (260, 243878), (305, 207896), (488, 129935), (520, 121939), (610, 103948), (793, 79960), (1220, 51974), (1586, 39980), (1999, 31720), (2440, 25987), (3172, 19990), (3965, 15992), (3998, 15860), (6344, 9995), (7930, 7996)]