15880320

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{919}}^1$

素因数の和:947

約数の個数: 128

約数和(自身を含む): 56304000

約数和(自身を除く): 40423680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 919, 960, 1080, 1152, 1440, 1728, 1838, 1920, 2160, 2757, 2880, 3456, 3676, 4320, 4595, 5514, 5760, 7352, 8271, 8640, 9190, 11028, 13785, 14704, 16542, 17280, 18380, 22056, 24813, 27570, 29408, 33084, 36760, 41355, 44112, 49626, 55140, 58816, 66168, 73520, 82710, 88224, 99252, 110280, 117632, 124065, 132336, 147040, 165420, 176448, 198504, 220560, 248130, 264672, 294080, 330840, 352896, 397008, 441120, 496260, 529344, 588160, 661680, 794016, 882240, 992520, 1058688, 1323360, 1588032, 1764480, 1985040, 2646720, 3176064, 3970080, 5293440, 7940160, 15880320]

約数ペア:

[(1, 15880320), (2, 7940160), (3, 5293440), (4, 3970080), (5, 3176064), (6, 2646720), (8, 1985040), (9, 1764480), (10, 1588032), (12, 1323360), (15, 1058688), (16, 992520), (18, 882240), (20, 794016), (24, 661680), (27, 588160), (30, 529344), (32, 496260), (36, 441120), (40, 397008), (45, 352896), (48, 330840), (54, 294080), (60, 264672), (64, 248130), (72, 220560), (80, 198504), (90, 176448), (96, 165420), (108, 147040), (120, 132336), (128, 124065), (135, 117632), (144, 110280), (160, 99252), (180, 88224), (192, 82710), (216, 73520), (240, 66168), (270, 58816), (288, 55140), (320, 49626), (360, 44112), (384, 41355), (432, 36760), (480, 33084), (540, 29408), (576, 27570), (640, 24813), (720, 22056), (864, 18380), (919, 17280), (960, 16542), (1080, 14704), (1152, 13785), (1440, 11028), (1728, 9190), (1838, 8640), (1920, 8271), (2160, 7352), (2757, 5760), (2880, 5514), (3456, 4595), (3676, 4320)]