90867920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 160

約数和(自身を含む): 254983680

約数和(自身を除く): 164115760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 47, 52, 55, 65, 80, 88, 94, 104, 110, 130, 143, 169, 176, 188, 208, 220, 235, 260, 286, 338, 376, 440, 470, 517, 520, 572, 611, 676, 715, 752, 845, 880, 940, 1034, 1040, 1144, 1222, 1352, 1430, 1690, 1859, 1880, 2068, 2197, 2288, 2444, 2585, 2704, 2860, 3055, 3380, 3718, 3760, 4136, 4394, 4888, 5170, 5720, 6110, 6721, 6760, 7436, 7943, 8272, 8788, 9295, 9776, 10340, 10985, 11440, 12220, 13442, 13520, 14872, 15886, 17576, 18590, 20680, 21970, 24167, 24440, 26884, 29744, 31772, 33605, 35152, 37180, 39715, 41360, 43940, 48334, 48880, 53768, 63544, 67210, 74360, 79430, 87373, 87880, 96668, 103259, 107536, 120835, 127088, 134420, 148720, 158860, 174746, 175760, 193336, 206518, 241670, 268840, 317720, 349492, 386672, 413036, 436865, 483340, 516295, 537680, 635440, 698984, 826072, 873730, 966680, 1032590, 1135849, 1397968, 1652144, 1747460, 1933360, 2065180, 2271698, 3494920, 4130360, 4543396, 5679245, 6989840, 8260720, 9086792, 11358490, 18173584, 22716980, 45433960, 90867920]

約数ペア:

[(1, 90867920), (2, 45433960), (4, 22716980), (5, 18173584), (8, 11358490), (10, 9086792), (11, 8260720), (13, 6989840), (16, 5679245), (20, 4543396), (22, 4130360), (26, 3494920), (40, 2271698), (44, 2065180), (47, 1933360), (52, 1747460), (55, 1652144), (65, 1397968), (80, 1135849), (88, 1032590), (94, 966680), (104, 873730), (110, 826072), (130, 698984), (143, 635440), (169, 537680), (176, 516295), (188, 483340), (208, 436865), (220, 413036), (235, 386672), (260, 349492), (286, 317720), (338, 268840), (376, 241670), (440, 206518), (470, 193336), (517, 175760), (520, 174746), (572, 158860), (611, 148720), (676, 134420), (715, 127088), (752, 120835), (845, 107536), (880, 103259), (940, 96668), (1034, 87880), (1040, 87373), (1144, 79430), (1222, 74360), (1352, 67210), (1430, 63544), (1690, 53768), (1859, 48880), (1880, 48334), (2068, 43940), (2197, 41360), (2288, 39715), (2444, 37180), (2585, 35152), (2704, 33605), (2860, 31772), (3055, 29744), (3380, 26884), (3718, 24440), (3760, 24167), (4136, 21970), (4394, 20680), (4888, 18590), (5170, 17576), (5720, 15886), (6110, 14872), (6721, 13520), (6760, 13442), (7436, 12220), (7943, 11440), (8272, 10985), (8788, 10340), (9295, 9776)]