90871620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 304725120

約数和(自身を除く): 213853500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 409, 420, 460, 483, 529, 644, 690, 805, 818, 966, 1058, 1227, 1380, 1587, 1610, 1636, 1932, 2045, 2116, 2415, 2454, 2645, 2863, 3174, 3220, 3703, 4090, 4830, 4908, 5290, 5726, 6135, 6348, 7406, 7935, 8180, 8589, 9407, 9660, 10580, 11109, 11452, 12270, 14315, 14812, 15870, 17178, 18515, 18814, 22218, 24540, 28221, 28630, 31740, 34356, 37030, 37628, 42945, 44436, 47035, 55545, 56442, 57260, 65849, 74060, 85890, 94070, 111090, 112884, 131698, 141105, 171780, 188140, 197547, 216361, 222180, 263396, 282210, 329245, 395094, 432722, 564420, 649083, 658490, 790188, 865444, 987735, 1081805, 1298166, 1316980, 1514527, 1975470, 2163610, 2596332, 3029054, 3245415, 3950940, 4327220, 4543581, 6058108, 6490830, 7572635, 9087162, 12981660, 15145270, 18174324, 22717905, 30290540, 45435810, 90871620]

約数ペア:

[(1, 90871620), (2, 45435810), (3, 30290540), (4, 22717905), (5, 18174324), (6, 15145270), (7, 12981660), (10, 9087162), (12, 7572635), (14, 6490830), (15, 6058108), (20, 4543581), (21, 4327220), (23, 3950940), (28, 3245415), (30, 3029054), (35, 2596332), (42, 2163610), (46, 1975470), (60, 1514527), (69, 1316980), (70, 1298166), (84, 1081805), (92, 987735), (105, 865444), (115, 790188), (138, 658490), (140, 649083), (161, 564420), (210, 432722), (230, 395094), (276, 329245), (322, 282210), (345, 263396), (409, 222180), (420, 216361), (460, 197547), (483, 188140), (529, 171780), (644, 141105), (690, 131698), (805, 112884), (818, 111090), (966, 94070), (1058, 85890), (1227, 74060), (1380, 65849), (1587, 57260), (1610, 56442), (1636, 55545), (1932, 47035), (2045, 44436), (2116, 42945), (2415, 37628), (2454, 37030), (2645, 34356), (2863, 31740), (3174, 28630), (3220, 28221), (3703, 24540), (4090, 22218), (4830, 18814), (4908, 18515), (5290, 17178), (5726, 15870), (6135, 14812), (6348, 14315), (7406, 12270), (7935, 11452), (8180, 11109), (8589, 10580), (9407, 9660)]