129881920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2521}}^1$

素因数の和:2568

約数の個数: 112

約数和(自身を含む): 368978688

約数和(自身を除く): 239096768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2521, 2576, 3220, 3680, 5042, 5152, 6440, 7360, 10084, 10304, 12605, 12880, 17647, 20168, 25210, 25760, 35294, 40336, 50420, 51520, 57983, 70588, 80672, 88235, 100840, 115966, 141176, 161344, 176470, 201680, 231932, 282352, 289915, 352940, 403360, 405881, 463864, 564704, 579830, 705880, 806720, 811762, 927728, 1129408, 1159660, 1411760, 1623524, 1855456, 2029405, 2319320, 2823520, 3247048, 3710912, 4058810, 4638640, 5647040, 6494096, 8117620, 9277280, 12988192, 16235240, 18554560, 25976384, 32470480, 64940960, 129881920]

約数ペア:

[(1, 129881920), (2, 64940960), (4, 32470480), (5, 25976384), (7, 18554560), (8, 16235240), (10, 12988192), (14, 9277280), (16, 8117620), (20, 6494096), (23, 5647040), (28, 4638640), (32, 4058810), (35, 3710912), (40, 3247048), (46, 2823520), (56, 2319320), (64, 2029405), (70, 1855456), (80, 1623524), (92, 1411760), (112, 1159660), (115, 1129408), (140, 927728), (160, 811762), (161, 806720), (184, 705880), (224, 579830), (230, 564704), (280, 463864), (320, 405881), (322, 403360), (368, 352940), (448, 289915), (460, 282352), (560, 231932), (644, 201680), (736, 176470), (805, 161344), (920, 141176), (1120, 115966), (1288, 100840), (1472, 88235), (1610, 80672), (1840, 70588), (2240, 57983), (2521, 51520), (2576, 50420), (3220, 40336), (3680, 35294), (5042, 25760), (5152, 25210), (6440, 20168), (7360, 17647), (10084, 12880), (10304, 12605)]