15617520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 53196000

約数和(自身を除く): 37578480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 199, 218, 240, 327, 360, 398, 436, 545, 597, 654, 720, 796, 872, 981, 995, 1090, 1194, 1308, 1592, 1635, 1744, 1791, 1962, 1990, 2180, 2388, 2616, 2985, 3184, 3270, 3582, 3924, 3980, 4360, 4776, 4905, 5232, 5970, 6540, 7164, 7848, 7960, 8720, 8955, 9552, 9810, 11940, 13080, 14328, 15696, 15920, 17910, 19620, 21691, 23880, 26160, 28656, 35820, 39240, 43382, 47760, 65073, 71640, 78480, 86764, 108455, 130146, 143280, 173528, 195219, 216910, 260292, 325365, 347056, 390438, 433820, 520584, 650730, 780876, 867640, 976095, 1041168, 1301460, 1561752, 1735280, 1952190, 2602920, 3123504, 3904380, 5205840, 7808760, 15617520]

約数ペア:

[(1, 15617520), (2, 7808760), (3, 5205840), (4, 3904380), (5, 3123504), (6, 2602920), (8, 1952190), (9, 1735280), (10, 1561752), (12, 1301460), (15, 1041168), (16, 976095), (18, 867640), (20, 780876), (24, 650730), (30, 520584), (36, 433820), (40, 390438), (45, 347056), (48, 325365), (60, 260292), (72, 216910), (80, 195219), (90, 173528), (109, 143280), (120, 130146), (144, 108455), (180, 86764), (199, 78480), (218, 71640), (240, 65073), (327, 47760), (360, 43382), (398, 39240), (436, 35820), (545, 28656), (597, 26160), (654, 23880), (720, 21691), (796, 19620), (872, 17910), (981, 15920), (995, 15696), (1090, 14328), (1194, 13080), (1308, 11940), (1592, 9810), (1635, 9552), (1744, 8955), (1791, 8720), (1962, 7960), (1990, 7848), (2180, 7164), (2388, 6540), (2616, 5970), (2985, 5232), (3184, 4905), (3270, 4776), (3582, 4360), (3924, 3980)]