28327320

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1279

約数の個数: 160

約数和(自身を含む): 108900000

約数和(自身を除く): 80572680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1249, 1260, 1512, 1620, 1890, 2268, 2498, 2520, 2835, 3240, 3747, 3780, 4536, 4996, 5670, 6245, 7494, 7560, 8743, 9992, 11241, 11340, 12490, 14988, 17486, 18735, 22482, 22680, 24980, 26229, 29976, 33723, 34972, 37470, 43715, 44964, 49960, 52458, 56205, 67446, 69944, 74940, 78687, 87430, 89928, 101169, 104916, 112410, 131145, 134892, 149880, 157374, 168615, 174860, 202338, 209832, 224820, 236061, 262290, 269784, 314748, 337230, 349720, 393435, 404676, 449640, 472122, 505845, 524580, 629496, 674460, 708183, 786870, 809352, 944244, 1011690, 1049160, 1180305, 1348920, 1416366, 1573740, 1888488, 2023380, 2360610, 2832732, 3147480, 3540915, 4046760, 4721220, 5665464, 7081830, 9442440, 14163660, 28327320]

約数ペア:

[(1, 28327320), (2, 14163660), (3, 9442440), (4, 7081830), (5, 5665464), (6, 4721220), (7, 4046760), (8, 3540915), (9, 3147480), (10, 2832732), (12, 2360610), (14, 2023380), (15, 1888488), (18, 1573740), (20, 1416366), (21, 1348920), (24, 1180305), (27, 1049160), (28, 1011690), (30, 944244), (35, 809352), (36, 786870), (40, 708183), (42, 674460), (45, 629496), (54, 524580), (56, 505845), (60, 472122), (63, 449640), (70, 404676), (72, 393435), (81, 349720), (84, 337230), (90, 314748), (105, 269784), (108, 262290), (120, 236061), (126, 224820), (135, 209832), (140, 202338), (162, 174860), (168, 168615), (180, 157374), (189, 149880), (210, 134892), (216, 131145), (252, 112410), (270, 104916), (280, 101169), (315, 89928), (324, 87430), (360, 78687), (378, 74940), (405, 69944), (420, 67446), (504, 56205), (540, 52458), (567, 49960), (630, 44964), (648, 43715), (756, 37470), (810, 34972), (840, 33723), (945, 29976), (1080, 26229), (1134, 24980), (1249, 22680), (1260, 22482), (1512, 18735), (1620, 17486), (1890, 14988), (2268, 12490), (2498, 11340), (2520, 11241), (2835, 9992), (3240, 8743), (3747, 7560), (3780, 7494), (4536, 6245), (4996, 5670)]