2489940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 8232840

約数和(自身を除く): 5742900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 53, 54, 58, 60, 81, 87, 90, 106, 108, 116, 135, 145, 159, 162, 174, 180, 212, 261, 265, 270, 290, 318, 324, 348, 405, 435, 477, 522, 530, 540, 580, 636, 783, 795, 810, 870, 954, 1044, 1060, 1305, 1431, 1537, 1566, 1590, 1620, 1740, 1908, 2349, 2385, 2610, 2862, 3074, 3132, 3180, 3915, 4293, 4611, 4698, 4770, 5220, 5724, 6148, 7155, 7685, 7830, 8586, 9222, 9396, 9540, 11745, 13833, 14310, 15370, 15660, 17172, 18444, 21465, 23055, 23490, 27666, 28620, 30740, 41499, 42930, 46110, 46980, 55332, 69165, 82998, 85860, 92220, 124497, 138330, 165996, 207495, 248994, 276660, 414990, 497988, 622485, 829980, 1244970, 2489940]

約数ペア:

[(1, 2489940), (2, 1244970), (3, 829980), (4, 622485), (5, 497988), (6, 414990), (9, 276660), (10, 248994), (12, 207495), (15, 165996), (18, 138330), (20, 124497), (27, 92220), (29, 85860), (30, 82998), (36, 69165), (45, 55332), (53, 46980), (54, 46110), (58, 42930), (60, 41499), (81, 30740), (87, 28620), (90, 27666), (106, 23490), (108, 23055), (116, 21465), (135, 18444), (145, 17172), (159, 15660), (162, 15370), (174, 14310), (180, 13833), (212, 11745), (261, 9540), (265, 9396), (270, 9222), (290, 8586), (318, 7830), (324, 7685), (348, 7155), (405, 6148), (435, 5724), (477, 5220), (522, 4770), (530, 4698), (540, 4611), (580, 4293), (636, 3915), (783, 3180), (795, 3132), (810, 3074), (870, 2862), (954, 2610), (1044, 2385), (1060, 2349), (1305, 1908), (1431, 1740), (1537, 1620), (1566, 1590)]