129321920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4441}}^1$

素因数の和:4478

約数の個数: 112

約数和(自身を含む): 379098048

約数和(自身を除く): 249776128

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 4441, 5824, 7280, 8882, 14560, 17764, 22205, 29120, 31087, 35528, 44410, 57733, 62174, 71056, 88820, 115466, 124348, 142112, 155435, 177640, 230932, 248696, 284224, 288665, 310870, 355280, 404131, 461864, 497392, 577330, 621740, 710560, 808262, 923728, 994784, 1154660, 1243480, 1421120, 1616524, 1847456, 1989568, 2020655, 2309320, 2486960, 3233048, 3694912, 4041310, 4618640, 4973920, 6466096, 8082620, 9237280, 9947840, 12932192, 16165240, 18474560, 25864384, 32330480, 64660960, 129321920]

約数ペア:

[(1, 129321920), (2, 64660960), (4, 32330480), (5, 25864384), (7, 18474560), (8, 16165240), (10, 12932192), (13, 9947840), (14, 9237280), (16, 8082620), (20, 6466096), (26, 4973920), (28, 4618640), (32, 4041310), (35, 3694912), (40, 3233048), (52, 2486960), (56, 2309320), (64, 2020655), (65, 1989568), (70, 1847456), (80, 1616524), (91, 1421120), (104, 1243480), (112, 1154660), (130, 994784), (140, 923728), (160, 808262), (182, 710560), (208, 621740), (224, 577330), (260, 497392), (280, 461864), (320, 404131), (364, 355280), (416, 310870), (448, 288665), (455, 284224), (520, 248696), (560, 230932), (728, 177640), (832, 155435), (910, 142112), (1040, 124348), (1120, 115466), (1456, 88820), (1820, 71056), (2080, 62174), (2240, 57733), (2912, 44410), (3640, 35528), (4160, 31087), (4441, 29120), (5824, 22205), (7280, 17764), (8882, 14560)]