4080430120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1607}}^1$

素因数の和:1907

約数の個数: 128

約数和(自身を含む): 10454572800

約数和(自身を除く): 6374142680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 257, 260, 380, 494, 514, 520, 760, 988, 1028, 1235, 1285, 1607, 1976, 2056, 2470, 2570, 3214, 3341, 4883, 4940, 5140, 6428, 6682, 8035, 9766, 9880, 10280, 12856, 13364, 16070, 16705, 19532, 20891, 24415, 26728, 30533, 32140, 33410, 39064, 41782, 48830, 61066, 63479, 64280, 66820, 83564, 97660, 104455, 122132, 126958, 133640, 152665, 167128, 195320, 208910, 244264, 253916, 305330, 317395, 396929, 412999, 417820, 507832, 610660, 634790, 793858, 825998, 835640, 1221320, 1269580, 1587716, 1651996, 1984645, 2064995, 2539160, 3175432, 3303992, 3969290, 4129990, 5368987, 7846981, 7938580, 8259980, 10737974, 15693962, 15877160, 16519960, 21475948, 26844935, 31387924, 39234905, 42951896, 53689870, 62775848, 78469810, 102010753, 107379740, 156939620, 204021506, 214759480, 313879240, 408043012, 510053765, 816086024, 1020107530, 2040215060, 4080430120]

約数ペア:

[(1, 4080430120), (2, 2040215060), (4, 1020107530), (5, 816086024), (8, 510053765), (10, 408043012), (13, 313879240), (19, 214759480), (20, 204021506), (26, 156939620), (38, 107379740), (40, 102010753), (52, 78469810), (65, 62775848), (76, 53689870), (95, 42951896), (104, 39234905), (130, 31387924), (152, 26844935), (190, 21475948), (247, 16519960), (257, 15877160), (260, 15693962), (380, 10737974), (494, 8259980), (514, 7938580), (520, 7846981), (760, 5368987), (988, 4129990), (1028, 3969290), (1235, 3303992), (1285, 3175432), (1607, 2539160), (1976, 2064995), (2056, 1984645), (2470, 1651996), (2570, 1587716), (3214, 1269580), (3341, 1221320), (4883, 835640), (4940, 825998), (5140, 793858), (6428, 634790), (6682, 610660), (8035, 507832), (9766, 417820), (9880, 412999), (10280, 396929), (12856, 317395), (13364, 305330), (16070, 253916), (16705, 244264), (19532, 208910), (20891, 195320), (24415, 167128), (26728, 152665), (30533, 133640), (32140, 126958), (33410, 122132), (39064, 104455), (41782, 97660), (48830, 83564), (61066, 66820), (63479, 64280)]