203781720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 651939840

約数和(自身を除く): 448158120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 191, 204, 255, 340, 382, 408, 510, 523, 573, 680, 764, 955, 1020, 1046, 1146, 1528, 1569, 1910, 2040, 2092, 2292, 2615, 2865, 3138, 3247, 3820, 4184, 4584, 5230, 5730, 6276, 6494, 7640, 7845, 8891, 9741, 10460, 11460, 12552, 12988, 15690, 16235, 17782, 19482, 20920, 22920, 25976, 26673, 31380, 32470, 35564, 38964, 44455, 48705, 53346, 62760, 64940, 71128, 77928, 88910, 97410, 99893, 106692, 129880, 133365, 177820, 194820, 199786, 213384, 266730, 299679, 355640, 389640, 399572, 499465, 533460, 599358, 799144, 998930, 1066920, 1198716, 1498395, 1698181, 1997860, 2397432, 2996790, 3396362, 3995720, 5094543, 5993580, 6792724, 8490905, 10189086, 11987160, 13585448, 16981810, 20378172, 25472715, 33963620, 40756344, 50945430, 67927240, 101890860, 203781720]

約数ペア:

[(1, 203781720), (2, 101890860), (3, 67927240), (4, 50945430), (5, 40756344), (6, 33963620), (8, 25472715), (10, 20378172), (12, 16981810), (15, 13585448), (17, 11987160), (20, 10189086), (24, 8490905), (30, 6792724), (34, 5993580), (40, 5094543), (51, 3995720), (60, 3396362), (68, 2996790), (85, 2397432), (102, 1997860), (120, 1698181), (136, 1498395), (170, 1198716), (191, 1066920), (204, 998930), (255, 799144), (340, 599358), (382, 533460), (408, 499465), (510, 399572), (523, 389640), (573, 355640), (680, 299679), (764, 266730), (955, 213384), (1020, 199786), (1046, 194820), (1146, 177820), (1528, 133365), (1569, 129880), (1910, 106692), (2040, 99893), (2092, 97410), (2292, 88910), (2615, 77928), (2865, 71128), (3138, 64940), (3247, 62760), (3820, 53346), (4184, 48705), (4584, 44455), (5230, 38964), (5730, 35564), (6276, 32470), (6494, 31380), (7640, 26673), (7845, 25976), (8891, 22920), (9741, 20920), (10460, 19482), (11460, 17782), (12552, 16235), (12988, 15690)]