81904704

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 112

約数和(自身を含む): 249936000

約数和(自身を除く): 168031296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 149, 168, 192, 224, 298, 336, 409, 447, 448, 596, 672, 818, 894, 1043, 1192, 1227, 1344, 1636, 1788, 2086, 2384, 2454, 2863, 3129, 3272, 3576, 4172, 4768, 4908, 5726, 6258, 6544, 7152, 8344, 8589, 9536, 9816, 11452, 12516, 13088, 14304, 16688, 17178, 19632, 22904, 25032, 26176, 28608, 33376, 34356, 39264, 45808, 50064, 60941, 66752, 68712, 78528, 91616, 100128, 121882, 137424, 182823, 183232, 200256, 243764, 274848, 365646, 426587, 487528, 549696, 731292, 853174, 975056, 1279761, 1462584, 1706348, 1950112, 2559522, 2925168, 3412696, 3900224, 5119044, 5850336, 6825392, 10238088, 11700672, 13650784, 20476176, 27301568, 40952352, 81904704]

約数ペア:

[(1, 81904704), (2, 40952352), (3, 27301568), (4, 20476176), (6, 13650784), (7, 11700672), (8, 10238088), (12, 6825392), (14, 5850336), (16, 5119044), (21, 3900224), (24, 3412696), (28, 2925168), (32, 2559522), (42, 1950112), (48, 1706348), (56, 1462584), (64, 1279761), (84, 975056), (96, 853174), (112, 731292), (149, 549696), (168, 487528), (192, 426587), (224, 365646), (298, 274848), (336, 243764), (409, 200256), (447, 183232), (448, 182823), (596, 137424), (672, 121882), (818, 100128), (894, 91616), (1043, 78528), (1192, 68712), (1227, 66752), (1344, 60941), (1636, 50064), (1788, 45808), (2086, 39264), (2384, 34356), (2454, 33376), (2863, 28608), (3129, 26176), (3272, 25032), (3576, 22904), (4172, 19632), (4768, 17178), (4908, 16688), (5726, 14304), (6258, 13088), (6544, 12516), (7152, 11452), (8344, 9816), (8589, 9536)]