16665660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 58181760

約数和(自身を除く): 41516100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 443, 495, 570, 627, 660, 684, 836, 855, 886, 990, 1045, 1140, 1254, 1329, 1710, 1772, 1881, 1980, 2090, 2215, 2508, 2658, 3135, 3420, 3762, 3987, 4180, 4430, 4873, 5316, 6270, 6645, 7524, 7974, 8417, 8860, 9405, 9746, 12540, 13290, 14619, 15948, 16834, 18810, 19492, 19935, 24365, 25251, 26580, 29238, 33668, 37620, 39870, 42085, 43857, 48730, 50502, 58476, 73095, 75753, 79740, 84170, 87714, 92587, 97460, 101004, 126255, 146190, 151506, 168340, 175428, 185174, 219285, 252510, 277761, 292380, 303012, 370348, 378765, 438570, 462935, 505020, 555522, 757530, 833283, 877140, 925870, 1111044, 1388805, 1515060, 1666566, 1851740, 2777610, 3333132, 4166415, 5555220, 8332830, 16665660]

約数ペア:

[(1, 16665660), (2, 8332830), (3, 5555220), (4, 4166415), (5, 3333132), (6, 2777610), (9, 1851740), (10, 1666566), (11, 1515060), (12, 1388805), (15, 1111044), (18, 925870), (19, 877140), (20, 833283), (22, 757530), (30, 555522), (33, 505020), (36, 462935), (38, 438570), (44, 378765), (45, 370348), (55, 303012), (57, 292380), (60, 277761), (66, 252510), (76, 219285), (90, 185174), (95, 175428), (99, 168340), (110, 151506), (114, 146190), (132, 126255), (165, 101004), (171, 97460), (180, 92587), (190, 87714), (198, 84170), (209, 79740), (220, 75753), (228, 73095), (285, 58476), (330, 50502), (342, 48730), (380, 43857), (396, 42085), (418, 39870), (443, 37620), (495, 33668), (570, 29238), (627, 26580), (660, 25251), (684, 24365), (836, 19935), (855, 19492), (886, 18810), (990, 16834), (1045, 15948), (1140, 14619), (1254, 13290), (1329, 12540), (1710, 9746), (1772, 9405), (1881, 8860), (1980, 8417), (2090, 7974), (2215, 7524), (2508, 6645), (2658, 6270), (3135, 5316), (3420, 4873), (3762, 4430), (3987, 4180)]