56728760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4212

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 87040840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 4159, 6820, 8318, 13640, 16636, 20795, 33272, 41590, 45749, 83180, 91498, 128929, 166360, 182996, 228745, 257858, 365992, 457490, 515716, 644645, 914980, 1031432, 1289290, 1418219, 1829960, 2578580, 2836438, 5157160, 5672876, 7091095, 11345752, 14182190, 28364380, 56728760]

約数ペア:

[(1, 56728760), (2, 28364380), (4, 14182190), (5, 11345752), (8, 7091095), (10, 5672876), (11, 5157160), (20, 2836438), (22, 2578580), (31, 1829960), (40, 1418219), (44, 1289290), (55, 1031432), (62, 914980), (88, 644645), (110, 515716), (124, 457490), (155, 365992), (220, 257858), (248, 228745), (310, 182996), (341, 166360), (440, 128929), (620, 91498), (682, 83180), (1240, 45749), (1364, 41590), (1705, 33272), (2728, 20795), (3410, 16636), (4159, 13640), (6820, 8318)]