12345840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1351

約数の個数: 120

約数和(自身を含む): 44684640

約数和(自身を除く): 32338800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1319, 1560, 1872, 2340, 2638, 3120, 3957, 4680, 5276, 6595, 7914, 9360, 10552, 11871, 13190, 15828, 17147, 19785, 21104, 23742, 26380, 31656, 34294, 39570, 47484, 51441, 52760, 59355, 63312, 68588, 79140, 85735, 94968, 102882, 105520, 118710, 137176, 154323, 158280, 171470, 189936, 205764, 237420, 257205, 274352, 308646, 316560, 342940, 411528, 474840, 514410, 617292, 685880, 771615, 823056, 949680, 1028820, 1234584, 1371760, 1543230, 2057640, 2469168, 3086460, 4115280, 6172920, 12345840]

約数ペア:

[(1, 12345840), (2, 6172920), (3, 4115280), (4, 3086460), (5, 2469168), (6, 2057640), (8, 1543230), (9, 1371760), (10, 1234584), (12, 1028820), (13, 949680), (15, 823056), (16, 771615), (18, 685880), (20, 617292), (24, 514410), (26, 474840), (30, 411528), (36, 342940), (39, 316560), (40, 308646), (45, 274352), (48, 257205), (52, 237420), (60, 205764), (65, 189936), (72, 171470), (78, 158280), (80, 154323), (90, 137176), (104, 118710), (117, 105520), (120, 102882), (130, 94968), (144, 85735), (156, 79140), (180, 68588), (195, 63312), (208, 59355), (234, 52760), (240, 51441), (260, 47484), (312, 39570), (360, 34294), (390, 31656), (468, 26380), (520, 23742), (585, 21104), (624, 19785), (720, 17147), (780, 15828), (936, 13190), (1040, 11871), (1170, 10552), (1319, 9360), (1560, 7914), (1872, 6595), (2340, 5276), (2638, 4680), (3120, 3957)]