131186720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:635

約数の個数: 144

約数和(自身を含む): 373607640

約数和(自身を除く): 242420920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 577, 580, 784, 812, 928, 980, 1015, 1120, 1154, 1160, 1421, 1568, 1624, 1960, 2030, 2308, 2320, 2842, 2885, 3248, 3920, 4039, 4060, 4616, 4640, 5684, 5770, 6496, 7105, 7840, 8078, 8120, 9232, 11368, 11540, 14210, 16156, 16240, 16733, 18464, 20195, 22736, 23080, 28273, 28420, 32312, 32480, 33466, 40390, 45472, 46160, 56546, 56840, 64624, 66932, 80780, 83665, 92320, 113092, 113680, 117131, 129248, 133864, 141365, 161560, 167330, 226184, 227360, 234262, 267728, 282730, 323120, 334660, 452368, 468524, 535456, 565460, 585655, 646240, 669320, 819917, 904736, 937048, 1130920, 1171310, 1338640, 1639834, 1874096, 2261840, 2342620, 2677280, 3279668, 3748192, 4099585, 4523680, 4685240, 6559336, 8199170, 9370480, 13118672, 16398340, 18740960, 26237344, 32796680, 65593360, 131186720]

約数ペア:

[(1, 131186720), (2, 65593360), (4, 32796680), (5, 26237344), (7, 18740960), (8, 16398340), (10, 13118672), (14, 9370480), (16, 8199170), (20, 6559336), (28, 4685240), (29, 4523680), (32, 4099585), (35, 3748192), (40, 3279668), (49, 2677280), (56, 2342620), (58, 2261840), (70, 1874096), (80, 1639834), (98, 1338640), (112, 1171310), (116, 1130920), (140, 937048), (145, 904736), (160, 819917), (196, 669320), (203, 646240), (224, 585655), (232, 565460), (245, 535456), (280, 468524), (290, 452368), (392, 334660), (406, 323120), (464, 282730), (490, 267728), (560, 234262), (577, 227360), (580, 226184), (784, 167330), (812, 161560), (928, 141365), (980, 133864), (1015, 129248), (1120, 117131), (1154, 113680), (1160, 113092), (1421, 92320), (1568, 83665), (1624, 80780), (1960, 66932), (2030, 64624), (2308, 56840), (2320, 56546), (2842, 46160), (2885, 45472), (3248, 40390), (3920, 33466), (4039, 32480), (4060, 32312), (4616, 28420), (4640, 28273), (5684, 23080), (5770, 22736), (6496, 20195), (7105, 18464), (7840, 16733), (8078, 16240), (8120, 16156), (9232, 14210), (11368, 11540)]