42705540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12487}}^1$

素因数の和:12521

約数の個数: 72

約数和(自身を含む): 136368960

約数和(自身を除く): 93663420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 12487, 24974, 37461, 49948, 62435, 74922, 112383, 124870, 149844, 187305, 224766, 237253, 249740, 374610, 449532, 474506, 561915, 711759, 749220, 949012, 1123830, 1186265, 1423518, 2135277, 2247660, 2372530, 2847036, 3558795, 4270554, 4745060, 7117590, 8541108, 10676385, 14235180, 21352770, 42705540]

約数ペア:

[(1, 42705540), (2, 21352770), (3, 14235180), (4, 10676385), (5, 8541108), (6, 7117590), (9, 4745060), (10, 4270554), (12, 3558795), (15, 2847036), (18, 2372530), (19, 2247660), (20, 2135277), (30, 1423518), (36, 1186265), (38, 1123830), (45, 949012), (57, 749220), (60, 711759), (76, 561915), (90, 474506), (95, 449532), (114, 374610), (171, 249740), (180, 237253), (190, 224766), (228, 187305), (285, 149844), (342, 124870), (380, 112383), (570, 74922), (684, 62435), (855, 49948), (1140, 37461), (1710, 24974), (3420, 12487)]