281522880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:671

約数の個数: 168

約数和(自身を含む): 974750400

約数和(自身を除く): 693227520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 239, 240, 288, 320, 360, 409, 478, 480, 576, 717, 720, 818, 956, 960, 1195, 1227, 1434, 1440, 1636, 1912, 2045, 2151, 2390, 2454, 2868, 2880, 3272, 3585, 3681, 3824, 4090, 4302, 4780, 4908, 5736, 6135, 6544, 7170, 7362, 7648, 8180, 8604, 9560, 9816, 10755, 11472, 12270, 13088, 14340, 14724, 15296, 16360, 17208, 18405, 19120, 19632, 21510, 22944, 24540, 26176, 28680, 29448, 32720, 34416, 36810, 38240, 39264, 43020, 45888, 49080, 57360, 58896, 65440, 68832, 73620, 76480, 78528, 86040, 97751, 98160, 114720, 117792, 130880, 137664, 147240, 172080, 195502, 196320, 229440, 235584, 293253, 294480, 344160, 391004, 392640, 488755, 586506, 588960, 688320, 782008, 879759, 977510, 1173012, 1177920, 1466265, 1564016, 1759518, 1955020, 2346024, 2932530, 3128032, 3519036, 3910040, 4398795, 4692048, 5865060, 6256064, 7038072, 7820080, 8797590, 9384096, 11730120, 14076144, 15640160, 17595180, 18768192, 23460240, 28152288, 31280320, 35190360, 46920480, 56304576, 70380720, 93840960, 140761440, 281522880]

約数ペア:

[(1, 281522880), (2, 140761440), (3, 93840960), (4, 70380720), (5, 56304576), (6, 46920480), (8, 35190360), (9, 31280320), (10, 28152288), (12, 23460240), (15, 18768192), (16, 17595180), (18, 15640160), (20, 14076144), (24, 11730120), (30, 9384096), (32, 8797590), (36, 7820080), (40, 7038072), (45, 6256064), (48, 5865060), (60, 4692048), (64, 4398795), (72, 3910040), (80, 3519036), (90, 3128032), (96, 2932530), (120, 2346024), (144, 1955020), (160, 1759518), (180, 1564016), (192, 1466265), (239, 1177920), (240, 1173012), (288, 977510), (320, 879759), (360, 782008), (409, 688320), (478, 588960), (480, 586506), (576, 488755), (717, 392640), (720, 391004), (818, 344160), (956, 294480), (960, 293253), (1195, 235584), (1227, 229440), (1434, 196320), (1440, 195502), (1636, 172080), (1912, 147240), (2045, 137664), (2151, 130880), (2390, 117792), (2454, 114720), (2868, 98160), (2880, 97751), (3272, 86040), (3585, 78528), (3681, 76480), (3824, 73620), (4090, 68832), (4302, 65440), (4780, 58896), (4908, 57360), (5736, 49080), (6135, 45888), (6544, 43020), (7170, 39264), (7362, 38240), (7648, 36810), (8180, 34416), (8604, 32720), (9560, 29448), (9816, 28680), (10755, 26176), (11472, 24540), (12270, 22944), (13088, 21510), (14340, 19632), (14724, 19120), (15296, 18405), (16360, 17208)]