30956520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 107308800

約数和(自身を除く): 76352280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 210, 269, 274, 280, 411, 420, 538, 548, 685, 807, 822, 840, 959, 1076, 1096, 1345, 1370, 1614, 1644, 1883, 1918, 2055, 2152, 2690, 2740, 2877, 3228, 3288, 3766, 3836, 4035, 4110, 4795, 5380, 5480, 5649, 5754, 6456, 7532, 7672, 8070, 8220, 9415, 9590, 10760, 11298, 11508, 14385, 15064, 16140, 16440, 18830, 19180, 22596, 23016, 28245, 28770, 32280, 36853, 37660, 38360, 45192, 56490, 57540, 73706, 75320, 110559, 112980, 115080, 147412, 184265, 221118, 225960, 257971, 294824, 368530, 442236, 515942, 552795, 737060, 773913, 884472, 1031884, 1105590, 1289855, 1474120, 1547826, 2063768, 2211180, 2579710, 3095652, 3869565, 4422360, 5159420, 6191304, 7739130, 10318840, 15478260, 30956520]

約数ペア:

[(1, 30956520), (2, 15478260), (3, 10318840), (4, 7739130), (5, 6191304), (6, 5159420), (7, 4422360), (8, 3869565), (10, 3095652), (12, 2579710), (14, 2211180), (15, 2063768), (20, 1547826), (21, 1474120), (24, 1289855), (28, 1105590), (30, 1031884), (35, 884472), (40, 773913), (42, 737060), (56, 552795), (60, 515942), (70, 442236), (84, 368530), (105, 294824), (120, 257971), (137, 225960), (140, 221118), (168, 184265), (210, 147412), (269, 115080), (274, 112980), (280, 110559), (411, 75320), (420, 73706), (538, 57540), (548, 56490), (685, 45192), (807, 38360), (822, 37660), (840, 36853), (959, 32280), (1076, 28770), (1096, 28245), (1345, 23016), (1370, 22596), (1614, 19180), (1644, 18830), (1883, 16440), (1918, 16140), (2055, 15064), (2152, 14385), (2690, 11508), (2740, 11298), (2877, 10760), (3228, 9590), (3288, 9415), (3766, 8220), (3836, 8070), (4035, 7672), (4110, 7532), (4795, 6456), (5380, 5754), (5480, 5649)]