280887984

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:915

約数の個数: 120

約数和(自身を含む): 851580912

約数和(自身を除く): 570692928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 227, 234, 312, 454, 468, 624, 661, 681, 908, 936, 1322, 1362, 1816, 1872, 1983, 2043, 2644, 2724, 2951, 3632, 3966, 4086, 5288, 5448, 5902, 5949, 7932, 8172, 8593, 8853, 10576, 10896, 11804, 11898, 15864, 16344, 17186, 17706, 23608, 23796, 25779, 26559, 31728, 32688, 34372, 35412, 47216, 47592, 51558, 53118, 68744, 70824, 77337, 95184, 103116, 106236, 137488, 141648, 150047, 154674, 206232, 212472, 300094, 309348, 412464, 424944, 450141, 600188, 618696, 900282, 1200376, 1237392, 1350423, 1800564, 1950611, 2400752, 2700846, 3601128, 3901222, 5401692, 5851833, 7202256, 7802444, 10803384, 11703666, 15604888, 17555499, 21606768, 23407332, 31209776, 35110998, 46814664, 70221996, 93629328, 140443992, 280887984]

約数ペア:

[(1, 280887984), (2, 140443992), (3, 93629328), (4, 70221996), (6, 46814664), (8, 35110998), (9, 31209776), (12, 23407332), (13, 21606768), (16, 17555499), (18, 15604888), (24, 11703666), (26, 10803384), (36, 7802444), (39, 7202256), (48, 5851833), (52, 5401692), (72, 3901222), (78, 3601128), (104, 2700846), (117, 2400752), (144, 1950611), (156, 1800564), (208, 1350423), (227, 1237392), (234, 1200376), (312, 900282), (454, 618696), (468, 600188), (624, 450141), (661, 424944), (681, 412464), (908, 309348), (936, 300094), (1322, 212472), (1362, 206232), (1816, 154674), (1872, 150047), (1983, 141648), (2043, 137488), (2644, 106236), (2724, 103116), (2951, 95184), (3632, 77337), (3966, 70824), (4086, 68744), (5288, 53118), (5448, 51558), (5902, 47592), (5949, 47216), (7932, 35412), (8172, 34372), (8593, 32688), (8853, 31728), (10576, 26559), (10896, 25779), (11804, 23796), (11898, 23608), (15864, 17706), (16344, 17186)]