618153640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1237}}^1$

素因数の和:1323

約数の個数: 96

約数和(自身を含む): 1548960840

約数和(自身を除く): 930807200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 961, 1237, 1240, 1612, 1922, 2015, 2474, 3224, 3844, 4030, 4805, 4948, 6185, 7688, 8060, 9610, 9896, 12370, 12493, 16081, 16120, 19220, 24740, 24986, 32162, 38347, 38440, 49480, 49972, 62465, 64324, 76694, 80405, 99944, 124930, 128648, 153388, 160810, 191735, 249860, 306776, 321620, 383470, 498511, 499720, 643240, 766940, 997022, 1188757, 1533880, 1994044, 2377514, 2492555, 3988088, 4755028, 4985110, 5943785, 9510056, 9970220, 11887570, 15453841, 19940440, 23775140, 30907682, 47550280, 61815364, 77269205, 123630728, 154538410, 309076820, 618153640]

約数ペア:

[(1, 618153640), (2, 309076820), (4, 154538410), (5, 123630728), (8, 77269205), (10, 61815364), (13, 47550280), (20, 30907682), (26, 23775140), (31, 19940440), (40, 15453841), (52, 11887570), (62, 9970220), (65, 9510056), (104, 5943785), (124, 4985110), (130, 4755028), (155, 3988088), (248, 2492555), (260, 2377514), (310, 1994044), (403, 1533880), (520, 1188757), (620, 997022), (806, 766940), (961, 643240), (1237, 499720), (1240, 498511), (1612, 383470), (1922, 321620), (2015, 306776), (2474, 249860), (3224, 191735), (3844, 160810), (4030, 153388), (4805, 128648), (4948, 124930), (6185, 99944), (7688, 80405), (8060, 76694), (9610, 64324), (9896, 62465), (12370, 49972), (12493, 49480), (16081, 38440), (16120, 38347), (19220, 32162), (24740, 24986)]