8539740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 29877120

約数和(自身を除く): 21337380

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, 227, 228, 285, 330, 342, 380, 396, 418, 454, 495, 570, 627, 660, 681, 684, 836, 855, 908, 990, 1045, 1135, 1140, 1254, 1362, 1710, 1881, 1980, 2043, 2090, 2270, 2497, 2508, 2724, 3135, 3405, 3420, 3762, 4086, 4180, 4313, 4540, 4994, 6270, 6810, 7491, 7524, 8172, 8626, 9405, 9988, 10215, 12485, 12540, 12939, 13620, 14982, 17252, 18810, 20430, 21565, 22473, 24970, 25878, 29964, 37455, 37620, 38817, 40860, 43130, 44946, 47443, 49940, 51756, 64695, 74910, 77634, 86260, 89892, 94886, 112365, 129390, 142329, 149820, 155268, 189772, 194085, 224730, 237215, 258780, 284658, 388170, 426987, 449460, 474430, 569316, 711645, 776340, 853974, 948860, 1423290, 1707948, 2134935, 2846580, 4269870, 8539740]

約数ペア:

[(1, 8539740), (2, 4269870), (3, 2846580), (4, 2134935), (5, 1707948), (6, 1423290), (9, 948860), (10, 853974), (11, 776340), (12, 711645), (15, 569316), (18, 474430), (19, 449460), (20, 426987), (22, 388170), (30, 284658), (33, 258780), (36, 237215), (38, 224730), (44, 194085), (45, 189772), (55, 155268), (57, 149820), (60, 142329), (66, 129390), (76, 112365), (90, 94886), (95, 89892), (99, 86260), (110, 77634), (114, 74910), (132, 64695), (165, 51756), (171, 49940), (180, 47443), (190, 44946), (198, 43130), (209, 40860), (220, 38817), (227, 37620), (228, 37455), (285, 29964), (330, 25878), (342, 24970), (380, 22473), (396, 21565), (418, 20430), (454, 18810), (495, 17252), (570, 14982), (627, 13620), (660, 12939), (681, 12540), (684, 12485), (836, 10215), (855, 9988), (908, 9405), (990, 8626), (1045, 8172), (1135, 7524), (1140, 7491), (1254, 6810), (1362, 6270), (1710, 4994), (1881, 4540), (1980, 4313), (2043, 4180), (2090, 4086), (2270, 3762), (2497, 3420), (2508, 3405), (2724, 3135)]