15745320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 53568000

約数和(自身を除く): 37822680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 239, 244, 270, 305, 360, 366, 478, 488, 540, 549, 610, 717, 732, 915, 956, 1080, 1098, 1195, 1220, 1434, 1464, 1647, 1830, 1912, 2151, 2196, 2390, 2440, 2745, 2868, 3294, 3585, 3660, 4302, 4392, 4780, 5490, 5736, 6453, 6588, 7170, 7320, 8235, 8604, 9560, 10755, 10980, 12906, 13176, 14340, 14579, 16470, 17208, 21510, 21960, 25812, 28680, 29158, 32265, 32940, 43020, 43737, 51624, 58316, 64530, 65880, 72895, 86040, 87474, 116632, 129060, 131211, 145790, 174948, 218685, 258120, 262422, 291580, 349896, 393633, 437370, 524844, 583160, 656055, 787266, 874740, 1049688, 1312110, 1574532, 1749480, 1968165, 2624220, 3149064, 3936330, 5248440, 7872660, 15745320]

約数ペア:

[(1, 15745320), (2, 7872660), (3, 5248440), (4, 3936330), (5, 3149064), (6, 2624220), (8, 1968165), (9, 1749480), (10, 1574532), (12, 1312110), (15, 1049688), (18, 874740), (20, 787266), (24, 656055), (27, 583160), (30, 524844), (36, 437370), (40, 393633), (45, 349896), (54, 291580), (60, 262422), (61, 258120), (72, 218685), (90, 174948), (108, 145790), (120, 131211), (122, 129060), (135, 116632), (180, 87474), (183, 86040), (216, 72895), (239, 65880), (244, 64530), (270, 58316), (305, 51624), (360, 43737), (366, 43020), (478, 32940), (488, 32265), (540, 29158), (549, 28680), (610, 25812), (717, 21960), (732, 21510), (915, 17208), (956, 16470), (1080, 14579), (1098, 14340), (1195, 13176), (1220, 12906), (1434, 10980), (1464, 10755), (1647, 9560), (1830, 8604), (1912, 8235), (2151, 7320), (2196, 7170), (2390, 6588), (2440, 6453), (2745, 5736), (2868, 5490), (3294, 4780), (3585, 4392), (3660, 4302)]