251234160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:615

約数の個数: 160

約数和(自身を含む): 832446720

約数和(自身を除く): 581212560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 139, 170, 204, 240, 255, 272, 278, 340, 408, 417, 443, 510, 556, 680, 695, 816, 834, 886, 1020, 1112, 1329, 1360, 1390, 1668, 1772, 2040, 2085, 2215, 2224, 2363, 2658, 2780, 3336, 3544, 4080, 4170, 4430, 4726, 5316, 5560, 6645, 6672, 7088, 7089, 7531, 8340, 8860, 9452, 10632, 11120, 11815, 13290, 14178, 15062, 16680, 17720, 18904, 21264, 22593, 23630, 26580, 28356, 30124, 33360, 35440, 35445, 37655, 37808, 45186, 47260, 53160, 56712, 60248, 61577, 70890, 75310, 90372, 94520, 106320, 112965, 113424, 120496, 123154, 141780, 150620, 180744, 184731, 189040, 225930, 246308, 283560, 301240, 307885, 361488, 369462, 451860, 492616, 567120, 602480, 615770, 738924, 903720, 923655, 985232, 1046809, 1231540, 1477848, 1807440, 1847310, 2093618, 2463080, 2955696, 3140427, 3694620, 4187236, 4926160, 5234045, 6280854, 7389240, 8374472, 10468090, 12561708, 14778480, 15702135, 16748944, 20936180, 25123416, 31404270, 41872360, 50246832, 62808540, 83744720, 125617080, 251234160]

約数ペア:

[(1, 251234160), (2, 125617080), (3, 83744720), (4, 62808540), (5, 50246832), (6, 41872360), (8, 31404270), (10, 25123416), (12, 20936180), (15, 16748944), (16, 15702135), (17, 14778480), (20, 12561708), (24, 10468090), (30, 8374472), (34, 7389240), (40, 6280854), (48, 5234045), (51, 4926160), (60, 4187236), (68, 3694620), (80, 3140427), (85, 2955696), (102, 2463080), (120, 2093618), (136, 1847310), (139, 1807440), (170, 1477848), (204, 1231540), (240, 1046809), (255, 985232), (272, 923655), (278, 903720), (340, 738924), (408, 615770), (417, 602480), (443, 567120), (510, 492616), (556, 451860), (680, 369462), (695, 361488), (816, 307885), (834, 301240), (886, 283560), (1020, 246308), (1112, 225930), (1329, 189040), (1360, 184731), (1390, 180744), (1668, 150620), (1772, 141780), (2040, 123154), (2085, 120496), (2215, 113424), (2224, 112965), (2363, 106320), (2658, 94520), (2780, 90372), (3336, 75310), (3544, 70890), (4080, 61577), (4170, 60248), (4430, 56712), (4726, 53160), (5316, 47260), (5560, 45186), (6645, 37808), (6672, 37655), (7088, 35445), (7089, 35440), (7531, 33360), (8340, 30124), (8860, 28356), (9452, 26580), (10632, 23630), (11120, 22593), (11815, 21264), (13290, 18904), (14178, 17720), (15062, 16680)]