28851660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 94762080

約数和(自身を除く): 65910420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 101, 108, 115, 135, 138, 180, 202, 207, 230, 270, 276, 303, 345, 404, 414, 460, 505, 529, 540, 606, 621, 690, 828, 909, 1010, 1035, 1058, 1212, 1242, 1380, 1515, 1587, 1818, 2020, 2070, 2116, 2323, 2484, 2645, 2727, 3030, 3105, 3174, 3636, 4140, 4545, 4646, 4761, 5290, 5454, 6060, 6210, 6348, 6969, 7935, 9090, 9292, 9522, 10580, 10908, 11615, 12420, 13635, 13938, 14283, 15870, 18180, 19044, 20907, 23230, 23805, 27270, 27876, 28566, 31740, 34845, 41814, 46460, 47610, 53429, 54540, 57132, 62721, 69690, 71415, 83628, 95220, 104535, 106858, 125442, 139380, 142830, 160287, 209070, 213716, 250884, 267145, 285660, 313605, 320574, 418140, 480861, 534290, 627210, 641148, 801435, 961722, 1068580, 1254420, 1442583, 1602870, 1923444, 2404305, 2885166, 3205740, 4808610, 5770332, 7212915, 9617220, 14425830, 28851660]

約数ペア:

[(1, 28851660), (2, 14425830), (3, 9617220), (4, 7212915), (5, 5770332), (6, 4808610), (9, 3205740), (10, 2885166), (12, 2404305), (15, 1923444), (18, 1602870), (20, 1442583), (23, 1254420), (27, 1068580), (30, 961722), (36, 801435), (45, 641148), (46, 627210), (54, 534290), (60, 480861), (69, 418140), (90, 320574), (92, 313605), (101, 285660), (108, 267145), (115, 250884), (135, 213716), (138, 209070), (180, 160287), (202, 142830), (207, 139380), (230, 125442), (270, 106858), (276, 104535), (303, 95220), (345, 83628), (404, 71415), (414, 69690), (460, 62721), (505, 57132), (529, 54540), (540, 53429), (606, 47610), (621, 46460), (690, 41814), (828, 34845), (909, 31740), (1010, 28566), (1035, 27876), (1058, 27270), (1212, 23805), (1242, 23230), (1380, 20907), (1515, 19044), (1587, 18180), (1818, 15870), (2020, 14283), (2070, 13938), (2116, 13635), (2323, 12420), (2484, 11615), (2645, 10908), (2727, 10580), (3030, 9522), (3105, 9292), (3174, 9090), (3636, 7935), (4140, 6969), (4545, 6348), (4646, 6210), (4761, 6060), (5290, 5454)]