81186912

素因数分解:

$2^5\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1231}}^1$

素因数の和:1476

約数の個数: 72

約数和(自身を含む): 232071840

約数和(自身を除く): 150884928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 229, 288, 458, 687, 916, 1231, 1374, 1832, 2061, 2462, 2748, 3664, 3693, 4122, 4924, 5496, 7328, 7386, 8244, 9848, 10992, 11079, 14772, 16488, 19696, 21984, 22158, 29544, 32976, 39392, 44316, 59088, 65952, 88632, 118176, 177264, 281899, 354528, 563798, 845697, 1127596, 1691394, 2255192, 2537091, 3382788, 4510384, 5074182, 6765576, 9020768, 10148364, 13531152, 20296728, 27062304, 40593456, 81186912]

約数ペア:

[(1, 81186912), (2, 40593456), (3, 27062304), (4, 20296728), (6, 13531152), (8, 10148364), (9, 9020768), (12, 6765576), (16, 5074182), (18, 4510384), (24, 3382788), (32, 2537091), (36, 2255192), (48, 1691394), (72, 1127596), (96, 845697), (144, 563798), (229, 354528), (288, 281899), (458, 177264), (687, 118176), (916, 88632), (1231, 65952), (1374, 59088), (1832, 44316), (2061, 39392), (2462, 32976), (2748, 29544), (3664, 22158), (3693, 21984), (4122, 19696), (4924, 16488), (5496, 14772), (7328, 11079), (7386, 10992), (8244, 9848)]