208486720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2232

約数の個数: 112

約数和(自身を含む): 558149760

約数和(自身を除く): 349663040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 832, 920, 1040, 1196, 1472, 1495, 1840, 2080, 2179, 2392, 2990, 3680, 4160, 4358, 4784, 5980, 7360, 8716, 9568, 10895, 11960, 17432, 19136, 21790, 23920, 28327, 34864, 43580, 47840, 50117, 56654, 69728, 87160, 95680, 100234, 113308, 139456, 141635, 174320, 200468, 226616, 250585, 283270, 348640, 400936, 453232, 501170, 566540, 651521, 697280, 801872, 906464, 1002340, 1133080, 1303042, 1603744, 1812928, 2004680, 2266160, 2606084, 3207488, 3257605, 4009360, 4532320, 5212168, 6515210, 8018720, 9064640, 10424336, 13030420, 16037440, 20848672, 26060840, 41697344, 52121680, 104243360, 208486720]

約数ペア:

[(1, 208486720), (2, 104243360), (4, 52121680), (5, 41697344), (8, 26060840), (10, 20848672), (13, 16037440), (16, 13030420), (20, 10424336), (23, 9064640), (26, 8018720), (32, 6515210), (40, 5212168), (46, 4532320), (52, 4009360), (64, 3257605), (65, 3207488), (80, 2606084), (92, 2266160), (104, 2004680), (115, 1812928), (130, 1603744), (160, 1303042), (184, 1133080), (208, 1002340), (230, 906464), (260, 801872), (299, 697280), (320, 651521), (368, 566540), (416, 501170), (460, 453232), (520, 400936), (598, 348640), (736, 283270), (832, 250585), (920, 226616), (1040, 200468), (1196, 174320), (1472, 141635), (1495, 139456), (1840, 113308), (2080, 100234), (2179, 95680), (2392, 87160), (2990, 69728), (3680, 56654), (4160, 50117), (4358, 47840), (4784, 43580), (5980, 34864), (7360, 28327), (8716, 23920), (9568, 21790), (10895, 19136), (11960, 17432)]