27991680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 91065600

約数和(自身を除く): 63073920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 239, 240, 244, 305, 320, 366, 384, 478, 480, 488, 610, 640, 717, 732, 915, 956, 960, 976, 1195, 1220, 1434, 1464, 1830, 1912, 1920, 1952, 2390, 2440, 2868, 2928, 3585, 3660, 3824, 3904, 4780, 4880, 5736, 5856, 7170, 7320, 7648, 7808, 9560, 9760, 11472, 11712, 14340, 14579, 14640, 15296, 19120, 19520, 22944, 23424, 28680, 29158, 29280, 30592, 38240, 39040, 43737, 45888, 57360, 58316, 58560, 72895, 76480, 87474, 91776, 114720, 116632, 117120, 145790, 152960, 174948, 218685, 229440, 233264, 291580, 349896, 437370, 458880, 466528, 583160, 699792, 874740, 933056, 1166320, 1399584, 1749480, 1866112, 2332640, 2799168, 3498960, 4665280, 5598336, 6997920, 9330560, 13995840, 27991680]

約数ペア:

[(1, 27991680), (2, 13995840), (3, 9330560), (4, 6997920), (5, 5598336), (6, 4665280), (8, 3498960), (10, 2799168), (12, 2332640), (15, 1866112), (16, 1749480), (20, 1399584), (24, 1166320), (30, 933056), (32, 874740), (40, 699792), (48, 583160), (60, 466528), (61, 458880), (64, 437370), (80, 349896), (96, 291580), (120, 233264), (122, 229440), (128, 218685), (160, 174948), (183, 152960), (192, 145790), (239, 117120), (240, 116632), (244, 114720), (305, 91776), (320, 87474), (366, 76480), (384, 72895), (478, 58560), (480, 58316), (488, 57360), (610, 45888), (640, 43737), (717, 39040), (732, 38240), (915, 30592), (956, 29280), (960, 29158), (976, 28680), (1195, 23424), (1220, 22944), (1434, 19520), (1464, 19120), (1830, 15296), (1912, 14640), (1920, 14579), (1952, 14340), (2390, 11712), (2440, 11472), (2868, 9760), (2928, 9560), (3585, 7808), (3660, 7648), (3824, 7320), (3904, 7170), (4780, 5856), (4880, 5736)]