205563420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:663

約数の個数: 168

約数和(自身を含む): 676470816

約数和(自身を除く): 470907396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 324, 345, 405, 414, 460, 486, 540, 613, 621, 690, 729, 810, 828, 972, 1035, 1215, 1226, 1242, 1380, 1458, 1620, 1839, 1863, 2070, 2430, 2452, 2484, 2916, 3065, 3105, 3645, 3678, 3726, 4140, 4860, 5517, 5589, 6130, 6210, 7290, 7356, 7452, 9195, 9315, 11034, 11178, 12260, 12420, 14099, 14580, 16551, 16767, 18390, 18630, 22068, 22356, 27585, 27945, 28198, 33102, 33534, 36780, 37260, 42297, 49653, 55170, 55890, 56396, 66204, 67068, 70495, 82755, 83835, 84594, 99306, 110340, 111780, 126891, 140990, 148959, 165510, 167670, 169188, 198612, 211485, 248265, 253782, 281980, 297918, 331020, 335340, 380673, 422970, 446877, 496530, 507564, 595836, 634455, 744795, 761346, 845940, 893754, 993060, 1142019, 1268910, 1489590, 1522692, 1787508, 1903365, 2234385, 2284038, 2537820, 2979180, 3426057, 3806730, 4468770, 4568076, 5710095, 6852114, 7613460, 8937540, 10278171, 11420190, 13704228, 17130285, 20556342, 22840380, 34260570, 41112684, 51390855, 68521140, 102781710, 205563420]

約数ペア:

[(1, 205563420), (2, 102781710), (3, 68521140), (4, 51390855), (5, 41112684), (6, 34260570), (9, 22840380), (10, 20556342), (12, 17130285), (15, 13704228), (18, 11420190), (20, 10278171), (23, 8937540), (27, 7613460), (30, 6852114), (36, 5710095), (45, 4568076), (46, 4468770), (54, 3806730), (60, 3426057), (69, 2979180), (81, 2537820), (90, 2284038), (92, 2234385), (108, 1903365), (115, 1787508), (135, 1522692), (138, 1489590), (162, 1268910), (180, 1142019), (207, 993060), (230, 893754), (243, 845940), (270, 761346), (276, 744795), (324, 634455), (345, 595836), (405, 507564), (414, 496530), (460, 446877), (486, 422970), (540, 380673), (613, 335340), (621, 331020), (690, 297918), (729, 281980), (810, 253782), (828, 248265), (972, 211485), (1035, 198612), (1215, 169188), (1226, 167670), (1242, 165510), (1380, 148959), (1458, 140990), (1620, 126891), (1839, 111780), (1863, 110340), (2070, 99306), (2430, 84594), (2452, 83835), (2484, 82755), (2916, 70495), (3065, 67068), (3105, 66204), (3645, 56396), (3678, 55890), (3726, 55170), (4140, 49653), (4860, 42297), (5517, 37260), (5589, 36780), (6130, 33534), (6210, 33102), (7290, 28198), (7356, 27945), (7452, 27585), (9195, 22356), (9315, 22068), (11034, 18630), (11178, 18390), (12260, 16767), (12420, 16551), (14099, 14580)]