42490980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1280

約数の個数: 144

約数和(自身を含む): 152880000

約数和(自身を除く): 110389020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1249, 1260, 1620, 1701, 1890, 2268, 2430, 2498, 2835, 3402, 3747, 3780, 4860, 4996, 5670, 6245, 6804, 7494, 8505, 8743, 11241, 11340, 12490, 14988, 17010, 17486, 18735, 22482, 24980, 26229, 33723, 34020, 34972, 37470, 43715, 44964, 52458, 56205, 67446, 74940, 78687, 87430, 101169, 104916, 112410, 131145, 134892, 157374, 168615, 174860, 202338, 224820, 236061, 262290, 303507, 314748, 337230, 393435, 404676, 472122, 505845, 524580, 607014, 674460, 708183, 786870, 944244, 1011690, 1180305, 1214028, 1416366, 1517535, 1573740, 2023380, 2124549, 2360610, 2832732, 3035070, 3540915, 4249098, 4721220, 6070140, 7081830, 8498196, 10622745, 14163660, 21245490, 42490980]

約数ペア:

[(1, 42490980), (2, 21245490), (3, 14163660), (4, 10622745), (5, 8498196), (6, 7081830), (7, 6070140), (9, 4721220), (10, 4249098), (12, 3540915), (14, 3035070), (15, 2832732), (18, 2360610), (20, 2124549), (21, 2023380), (27, 1573740), (28, 1517535), (30, 1416366), (35, 1214028), (36, 1180305), (42, 1011690), (45, 944244), (54, 786870), (60, 708183), (63, 674460), (70, 607014), (81, 524580), (84, 505845), (90, 472122), (105, 404676), (108, 393435), (126, 337230), (135, 314748), (140, 303507), (162, 262290), (180, 236061), (189, 224820), (210, 202338), (243, 174860), (252, 168615), (270, 157374), (315, 134892), (324, 131145), (378, 112410), (405, 104916), (420, 101169), (486, 87430), (540, 78687), (567, 74940), (630, 67446), (756, 56205), (810, 52458), (945, 44964), (972, 43715), (1134, 37470), (1215, 34972), (1249, 34020), (1260, 33723), (1620, 26229), (1701, 24980), (1890, 22482), (2268, 18735), (2430, 17486), (2498, 17010), (2835, 14988), (3402, 12490), (3747, 11340), (3780, 11241), (4860, 8743), (4996, 8505), (5670, 7494), (6245, 6804)]