42908940

素因数分解:

$2^2\times 3^9\times 5^1\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 136400880

約数和(自身を除く): 93491940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 243, 270, 324, 327, 405, 436, 486, 540, 545, 654, 729, 810, 972, 981, 1090, 1215, 1308, 1458, 1620, 1635, 1962, 2180, 2187, 2430, 2916, 2943, 3270, 3645, 3924, 4374, 4860, 4905, 5886, 6540, 6561, 7290, 8748, 8829, 9810, 10935, 11772, 13122, 14580, 14715, 17658, 19620, 19683, 21870, 26244, 26487, 29430, 32805, 35316, 39366, 43740, 44145, 52974, 58860, 65610, 78732, 79461, 88290, 98415, 105948, 131220, 132435, 158922, 176580, 196830, 238383, 264870, 317844, 393660, 397305, 476766, 529740, 715149, 794610, 953532, 1191915, 1430298, 1589220, 2145447, 2383830, 2860596, 3575745, 4290894, 4767660, 7151490, 8581788, 10727235, 14302980, 21454470, 42908940]

約数ペア:

[(1, 42908940), (2, 21454470), (3, 14302980), (4, 10727235), (5, 8581788), (6, 7151490), (9, 4767660), (10, 4290894), (12, 3575745), (15, 2860596), (18, 2383830), (20, 2145447), (27, 1589220), (30, 1430298), (36, 1191915), (45, 953532), (54, 794610), (60, 715149), (81, 529740), (90, 476766), (108, 397305), (109, 393660), (135, 317844), (162, 264870), (180, 238383), (218, 196830), (243, 176580), (270, 158922), (324, 132435), (327, 131220), (405, 105948), (436, 98415), (486, 88290), (540, 79461), (545, 78732), (654, 65610), (729, 58860), (810, 52974), (972, 44145), (981, 43740), (1090, 39366), (1215, 35316), (1308, 32805), (1458, 29430), (1620, 26487), (1635, 26244), (1962, 21870), (2180, 19683), (2187, 19620), (2430, 17658), (2916, 14715), (2943, 14580), (3270, 13122), (3645, 11772), (3924, 10935), (4374, 9810), (4860, 8829), (4905, 8748), (5886, 7290), (6540, 6561)]