7991880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 26611200

約数和(自身を除く): 18619320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 109, 120, 130, 141, 156, 188, 195, 218, 235, 260, 282, 312, 327, 376, 390, 436, 470, 520, 545, 564, 611, 654, 705, 780, 872, 940, 1090, 1128, 1222, 1308, 1410, 1417, 1560, 1635, 1833, 1880, 2180, 2444, 2616, 2820, 2834, 3055, 3270, 3666, 4251, 4360, 4888, 5123, 5640, 5668, 6110, 6540, 7085, 7332, 8502, 9165, 10246, 11336, 12220, 13080, 14170, 14664, 15369, 17004, 18330, 20492, 21255, 24440, 25615, 28340, 30738, 34008, 36660, 40984, 42510, 51230, 56680, 61476, 66599, 73320, 76845, 85020, 102460, 122952, 133198, 153690, 170040, 199797, 204920, 266396, 307380, 332995, 399594, 532792, 614760, 665990, 799188, 998985, 1331980, 1598376, 1997970, 2663960, 3995940, 7991880]

約数ペア:

[(1, 7991880), (2, 3995940), (3, 2663960), (4, 1997970), (5, 1598376), (6, 1331980), (8, 998985), (10, 799188), (12, 665990), (13, 614760), (15, 532792), (20, 399594), (24, 332995), (26, 307380), (30, 266396), (39, 204920), (40, 199797), (47, 170040), (52, 153690), (60, 133198), (65, 122952), (78, 102460), (94, 85020), (104, 76845), (109, 73320), (120, 66599), (130, 61476), (141, 56680), (156, 51230), (188, 42510), (195, 40984), (218, 36660), (235, 34008), (260, 30738), (282, 28340), (312, 25615), (327, 24440), (376, 21255), (390, 20492), (436, 18330), (470, 17004), (520, 15369), (545, 14664), (564, 14170), (611, 13080), (654, 12220), (705, 11336), (780, 10246), (872, 9165), (940, 8502), (1090, 7332), (1128, 7085), (1222, 6540), (1308, 6110), (1410, 5668), (1417, 5640), (1560, 5123), (1635, 4888), (1833, 4360), (1880, 4251), (2180, 3666), (2444, 3270), (2616, 3055), (2820, 2834)]