15478260

素因数分解:

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

素因数の和:425

約数の個数: 96

約数和(自身を含む): 50077440

約数和(自身を除く): 34599180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 269, 274, 411, 420, 538, 548, 685, 807, 822, 959, 1076, 1345, 1370, 1614, 1644, 1883, 1918, 2055, 2690, 2740, 2877, 3228, 3766, 3836, 4035, 4110, 4795, 5380, 5649, 5754, 7532, 8070, 8220, 9415, 9590, 11298, 11508, 14385, 16140, 18830, 19180, 22596, 28245, 28770, 36853, 37660, 56490, 57540, 73706, 110559, 112980, 147412, 184265, 221118, 257971, 368530, 442236, 515942, 552795, 737060, 773913, 1031884, 1105590, 1289855, 1547826, 2211180, 2579710, 3095652, 3869565, 5159420, 7739130, 15478260]

約数ペア:

[(1, 15478260), (2, 7739130), (3, 5159420), (4, 3869565), (5, 3095652), (6, 2579710), (7, 2211180), (10, 1547826), (12, 1289855), (14, 1105590), (15, 1031884), (20, 773913), (21, 737060), (28, 552795), (30, 515942), (35, 442236), (42, 368530), (60, 257971), (70, 221118), (84, 184265), (105, 147412), (137, 112980), (140, 110559), (210, 73706), (269, 57540), (274, 56490), (411, 37660), (420, 36853), (538, 28770), (548, 28245), (685, 22596), (807, 19180), (822, 18830), (959, 16140), (1076, 14385), (1345, 11508), (1370, 11298), (1614, 9590), (1644, 9415), (1883, 8220), (1918, 8070), (2055, 7532), (2690, 5754), (2740, 5649), (2877, 5380), (3228, 4795), (3766, 4110), (3836, 4035)]