79575760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2972

約数の個数: 80

約数和(自身を含む): 208415232

約数和(自身を除く): 128839472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 2917, 3410, 5456, 5834, 6820, 11668, 13640, 14585, 23336, 27280, 29170, 32087, 46672, 58340, 64174, 90427, 116680, 128348, 160435, 180854, 233360, 256696, 320870, 361708, 452135, 513392, 641740, 723416, 904270, 994697, 1283480, 1446832, 1808540, 1989394, 2566960, 3617080, 3978788, 4973485, 7234160, 7957576, 9946970, 15915152, 19893940, 39787880, 79575760]

約数ペア:

[(1, 79575760), (2, 39787880), (4, 19893940), (5, 15915152), (8, 9946970), (10, 7957576), (11, 7234160), (16, 4973485), (20, 3978788), (22, 3617080), (31, 2566960), (40, 1989394), (44, 1808540), (55, 1446832), (62, 1283480), (80, 994697), (88, 904270), (110, 723416), (124, 641740), (155, 513392), (176, 452135), (220, 361708), (248, 320870), (310, 256696), (341, 233360), (440, 180854), (496, 160435), (620, 128348), (682, 116680), (880, 90427), (1240, 64174), (1364, 58340), (1705, 46672), (2480, 32087), (2728, 29170), (2917, 27280), (3410, 23336), (5456, 14585), (5834, 13640), (6820, 11668)]