31649940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2791}}^1$

素因数の和:2819

約数の個数: 120

約数和(自身を含む): 113511552

約数和(自身を除く): 81861612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2791, 2835, 3780, 5582, 5670, 8373, 11164, 11340, 13955, 16746, 19537, 25119, 27910, 33492, 39074, 41865, 50238, 55820, 58611, 75357, 78148, 83730, 97685, 100476, 117222, 125595, 150714, 167460, 175833, 195370, 226071, 234444, 251190, 293055, 301428, 351666, 376785, 390740, 452142, 502380, 527499, 586110, 703332, 753570, 879165, 904284, 1054998, 1130355, 1172220, 1507140, 1582497, 1758330, 2109996, 2260710, 2637495, 3164994, 3516660, 4521420, 5274990, 6329988, 7912485, 10549980, 15824970, 31649940]

約数ペア:

[(1, 31649940), (2, 15824970), (3, 10549980), (4, 7912485), (5, 6329988), (6, 5274990), (7, 4521420), (9, 3516660), (10, 3164994), (12, 2637495), (14, 2260710), (15, 2109996), (18, 1758330), (20, 1582497), (21, 1507140), (27, 1172220), (28, 1130355), (30, 1054998), (35, 904284), (36, 879165), (42, 753570), (45, 703332), (54, 586110), (60, 527499), (63, 502380), (70, 452142), (81, 390740), (84, 376785), (90, 351666), (105, 301428), (108, 293055), (126, 251190), (135, 234444), (140, 226071), (162, 195370), (180, 175833), (189, 167460), (210, 150714), (252, 125595), (270, 117222), (315, 100476), (324, 97685), (378, 83730), (405, 78148), (420, 75357), (540, 58611), (567, 55820), (630, 50238), (756, 41865), (810, 39074), (945, 33492), (1134, 27910), (1260, 25119), (1620, 19537), (1890, 16746), (2268, 13955), (2791, 11340), (2835, 11164), (3780, 8373), (5582, 5670)]