268331440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 686206080

約数和(自身を除く): 417874640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 169, 178, 208, 223, 260, 338, 356, 445, 446, 520, 676, 712, 845, 890, 892, 1040, 1115, 1157, 1352, 1424, 1690, 1780, 1784, 2230, 2314, 2704, 2899, 3380, 3560, 3568, 4460, 4628, 5785, 5798, 6760, 7120, 8920, 9256, 11570, 11596, 13520, 14495, 15041, 17840, 18512, 19847, 23140, 23192, 28990, 30082, 37687, 39694, 46280, 46384, 57980, 60164, 75205, 75374, 79388, 92560, 99235, 115960, 120328, 150410, 150748, 158776, 188435, 198470, 231920, 240656, 258011, 300820, 301496, 317552, 376870, 396940, 516022, 601640, 602992, 753740, 793880, 1032044, 1203280, 1290055, 1507480, 1587760, 2064088, 2580110, 3014960, 3354143, 4128176, 5160220, 6708286, 10320440, 13416572, 16770715, 20640880, 26833144, 33541430, 53666288, 67082860, 134165720, 268331440]

約数ペア:

[(1, 268331440), (2, 134165720), (4, 67082860), (5, 53666288), (8, 33541430), (10, 26833144), (13, 20640880), (16, 16770715), (20, 13416572), (26, 10320440), (40, 6708286), (52, 5160220), (65, 4128176), (80, 3354143), (89, 3014960), (104, 2580110), (130, 2064088), (169, 1587760), (178, 1507480), (208, 1290055), (223, 1203280), (260, 1032044), (338, 793880), (356, 753740), (445, 602992), (446, 601640), (520, 516022), (676, 396940), (712, 376870), (845, 317552), (890, 301496), (892, 300820), (1040, 258011), (1115, 240656), (1157, 231920), (1352, 198470), (1424, 188435), (1690, 158776), (1780, 150748), (1784, 150410), (2230, 120328), (2314, 115960), (2704, 99235), (2899, 92560), (3380, 79388), (3560, 75374), (3568, 75205), (4460, 60164), (4628, 57980), (5785, 46384), (5798, 46280), (6760, 39694), (7120, 37687), (8920, 30082), (9256, 28990), (11570, 23192), (11596, 23140), (13520, 19847), (14495, 18512), (15041, 17840)]