21578880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11239}}^1$

素因数の和:11261

約数の個数: 64

約数和(自身を含む): 68788800

約数和(自身を除く): 47209920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11239, 22478, 33717, 44956, 56195, 67434, 89912, 112390, 134868, 168585, 179824, 224780, 269736, 337170, 359648, 449560, 539472, 674340, 719296, 899120, 1078944, 1348680, 1438592, 1798240, 2157888, 2697360, 3596480, 4315776, 5394720, 7192960, 10789440, 21578880]

約数ペア:

[(1, 21578880), (2, 10789440), (3, 7192960), (4, 5394720), (5, 4315776), (6, 3596480), (8, 2697360), (10, 2157888), (12, 1798240), (15, 1438592), (16, 1348680), (20, 1078944), (24, 899120), (30, 719296), (32, 674340), (40, 539472), (48, 449560), (60, 359648), (64, 337170), (80, 269736), (96, 224780), (120, 179824), (128, 168585), (160, 134868), (192, 112390), (240, 89912), (320, 67434), (384, 56195), (480, 44956), (640, 33717), (960, 22478), (1920, 11239)]