28445040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1$

素因数の和:1048

約数の個数: 160

約数和(自身を含む): 105618240

約数和(自身を除く): 77173200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1013, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2026, 2160, 2340, 2808, 3039, 3120, 3510, 4052, 4680, 5065, 5616, 6078, 7020, 8104, 9117, 9360, 10130, 12156, 13169, 14040, 15195, 16208, 18234, 20260, 24312, 26338, 27351, 28080, 30390, 36468, 39507, 40520, 45585, 48624, 52676, 54702, 60780, 65845, 72936, 79014, 81040, 91170, 105352, 109404, 118521, 121560, 131690, 136755, 145872, 158028, 182340, 197535, 210704, 218808, 237042, 243120, 263380, 273510, 316056, 355563, 364680, 395070, 437616, 474084, 526760, 547020, 592605, 632112, 711126, 729360, 790140, 948168, 1053520, 1094040, 1185210, 1422252, 1580280, 1777815, 1896336, 2188080, 2370420, 2844504, 3160560, 3555630, 4740840, 5689008, 7111260, 9481680, 14222520, 28445040]

約数ペア:

[(1, 28445040), (2, 14222520), (3, 9481680), (4, 7111260), (5, 5689008), (6, 4740840), (8, 3555630), (9, 3160560), (10, 2844504), (12, 2370420), (13, 2188080), (15, 1896336), (16, 1777815), (18, 1580280), (20, 1422252), (24, 1185210), (26, 1094040), (27, 1053520), (30, 948168), (36, 790140), (39, 729360), (40, 711126), (45, 632112), (48, 592605), (52, 547020), (54, 526760), (60, 474084), (65, 437616), (72, 395070), (78, 364680), (80, 355563), (90, 316056), (104, 273510), (108, 263380), (117, 243120), (120, 237042), (130, 218808), (135, 210704), (144, 197535), (156, 182340), (180, 158028), (195, 145872), (208, 136755), (216, 131690), (234, 121560), (240, 118521), (260, 109404), (270, 105352), (312, 91170), (351, 81040), (360, 79014), (390, 72936), (432, 65845), (468, 60780), (520, 54702), (540, 52676), (585, 48624), (624, 45585), (702, 40520), (720, 39507), (780, 36468), (936, 30390), (1013, 28080), (1040, 27351), (1080, 26338), (1170, 24312), (1404, 20260), (1560, 18234), (1755, 16208), (1872, 15195), (2026, 14040), (2160, 13169), (2340, 12156), (2808, 10130), (3039, 9360), (3120, 9117), (3510, 8104), (4052, 7020), (4680, 6078), (5065, 5616)]