28008240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 95993856

約数和(自身を除く): 67985616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 104, 120, 130, 141, 156, 188, 191, 195, 208, 235, 240, 260, 282, 312, 376, 382, 390, 470, 520, 564, 573, 611, 624, 705, 752, 764, 780, 940, 955, 1040, 1128, 1146, 1222, 1410, 1528, 1560, 1833, 1880, 1910, 2256, 2292, 2444, 2483, 2820, 2865, 3055, 3056, 3120, 3666, 3760, 3820, 4584, 4888, 4966, 5640, 5730, 6110, 7332, 7449, 7640, 8977, 9165, 9168, 9776, 9932, 11280, 11460, 12220, 12415, 14664, 14898, 15280, 17954, 18330, 19864, 22920, 24440, 24830, 26931, 29328, 29796, 35908, 36660, 37245, 39728, 44885, 45840, 48880, 49660, 53862, 59592, 71816, 73320, 74490, 89770, 99320, 107724, 116701, 119184, 134655, 143632, 146640, 148980, 179540, 198640, 215448, 233402, 269310, 297960, 350103, 359080, 430896, 466804, 538620, 583505, 595920, 700206, 718160, 933608, 1077240, 1167010, 1400412, 1750515, 1867216, 2154480, 2334020, 2800824, 3501030, 4668040, 5601648, 7002060, 9336080, 14004120, 28008240]

約数ペア:

[(1, 28008240), (2, 14004120), (3, 9336080), (4, 7002060), (5, 5601648), (6, 4668040), (8, 3501030), (10, 2800824), (12, 2334020), (13, 2154480), (15, 1867216), (16, 1750515), (20, 1400412), (24, 1167010), (26, 1077240), (30, 933608), (39, 718160), (40, 700206), (47, 595920), (48, 583505), (52, 538620), (60, 466804), (65, 430896), (78, 359080), (80, 350103), (94, 297960), (104, 269310), (120, 233402), (130, 215448), (141, 198640), (156, 179540), (188, 148980), (191, 146640), (195, 143632), (208, 134655), (235, 119184), (240, 116701), (260, 107724), (282, 99320), (312, 89770), (376, 74490), (382, 73320), (390, 71816), (470, 59592), (520, 53862), (564, 49660), (573, 48880), (611, 45840), (624, 44885), (705, 39728), (752, 37245), (764, 36660), (780, 35908), (940, 29796), (955, 29328), (1040, 26931), (1128, 24830), (1146, 24440), (1222, 22920), (1410, 19864), (1528, 18330), (1560, 17954), (1833, 15280), (1880, 14898), (1910, 14664), (2256, 12415), (2292, 12220), (2444, 11460), (2483, 11280), (2820, 9932), (2865, 9776), (3055, 9168), (3056, 9165), (3120, 8977), (3666, 7640), (3760, 7449), (3820, 7332), (4584, 6110), (4888, 5730), (4966, 5640)]