81417888

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14879}}^1$

素因数の和:14914

約数の個数: 72

約数和(自身を含む): 243734400

約数和(自身を除く): 162316512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 14879, 29758, 44637, 59516, 89274, 119032, 133911, 178548, 238064, 267822, 282701, 357096, 476128, 535644, 565402, 714192, 848103, 1071288, 1130804, 1428384, 1696206, 2142576, 2261608, 2544309, 3392412, 4285152, 4523216, 5088618, 6784824, 9046432, 10177236, 13569648, 20354472, 27139296, 40708944, 81417888]

約数ペア:

[(1, 81417888), (2, 40708944), (3, 27139296), (4, 20354472), (6, 13569648), (8, 10177236), (9, 9046432), (12, 6784824), (16, 5088618), (18, 4523216), (19, 4285152), (24, 3392412), (32, 2544309), (36, 2261608), (38, 2142576), (48, 1696206), (57, 1428384), (72, 1130804), (76, 1071288), (96, 848103), (114, 714192), (144, 565402), (152, 535644), (171, 476128), (228, 357096), (288, 282701), (304, 267822), (342, 238064), (456, 178548), (608, 133911), (684, 119032), (912, 89274), (1368, 59516), (1824, 44637), (2736, 29758), (5472, 14879)]