205668840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131839}}^1$

素因数の和:131866

約数の個数: 64

約数和(自身を含む): 664473600

約数和(自身を除く): 458804760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131839, 263678, 395517, 527356, 659195, 791034, 1054712, 1318390, 1582068, 1713907, 1977585, 2636780, 3164136, 3427814, 3955170, 5141721, 5273560, 6855628, 7910340, 8569535, 10283442, 13711256, 15820680, 17139070, 20566884, 25708605, 34278140, 41133768, 51417210, 68556280, 102834420, 205668840]

約数ペア:

[(1, 205668840), (2, 102834420), (3, 68556280), (4, 51417210), (5, 41133768), (6, 34278140), (8, 25708605), (10, 20566884), (12, 17139070), (13, 15820680), (15, 13711256), (20, 10283442), (24, 8569535), (26, 7910340), (30, 6855628), (39, 5273560), (40, 5141721), (52, 3955170), (60, 3427814), (65, 3164136), (78, 2636780), (104, 1977585), (120, 1713907), (130, 1582068), (156, 1318390), (195, 1054712), (260, 791034), (312, 659195), (390, 527356), (520, 395517), (780, 263678), (1560, 131839)]