20130930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 80

約数和(自身を含む): 56061720

約数和(自身を除く): 35930790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 857, 870, 1305, 1566, 1714, 2349, 2571, 2610, 3915, 4285, 4698, 5142, 7713, 7830, 8570, 11745, 12855, 15426, 23139, 23490, 24853, 25710, 38565, 46278, 49706, 69417, 74559, 77130, 115695, 124265, 138834, 149118, 223677, 231390, 248530, 347085, 372795, 447354, 671031, 694170, 745590, 1118385, 1342062, 2013093, 2236770, 3355155, 4026186, 6710310, 10065465, 20130930]

約数ペア:

[(1, 20130930), (2, 10065465), (3, 6710310), (5, 4026186), (6, 3355155), (9, 2236770), (10, 2013093), (15, 1342062), (18, 1118385), (27, 745590), (29, 694170), (30, 671031), (45, 447354), (54, 372795), (58, 347085), (81, 248530), (87, 231390), (90, 223677), (135, 149118), (145, 138834), (162, 124265), (174, 115695), (261, 77130), (270, 74559), (290, 69417), (405, 49706), (435, 46278), (522, 38565), (783, 25710), (810, 24853), (857, 23490), (870, 23139), (1305, 15426), (1566, 12855), (1714, 11745), (2349, 8570), (2571, 7830), (2610, 7713), (3915, 5142), (4285, 4698)]