1991272320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{345707}}^1$

素因数の和:345732

約数の個数: 96

約数和(自身を含む): 6876132120

約数和(自身を除く): 4884859800

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, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 345707, 691414, 1037121, 1382828, 1728535, 2074242, 2765656, 3111363, 3457070, 4148484, 5185605, 5531312, 6222726, 6914140, 8296968, 10371210, 11062624, 12445452, 13828280, 15556815, 16593936, 20742420, 22125248, 24890904, 27656560, 31113630, 33187872, 41484840, 44250496, 49781808, 55313120, 62227260, 66375744, 82969680, 99563616, 110626240, 124454520, 132751488, 165939360, 199127232, 221252480, 248909040, 331878720, 398254464, 497818080, 663757440, 995636160, 1991272320]

約数ペア:

[(1, 1991272320), (2, 995636160), (3, 663757440), (4, 497818080), (5, 398254464), (6, 331878720), (8, 248909040), (9, 221252480), (10, 199127232), (12, 165939360), (15, 132751488), (16, 124454520), (18, 110626240), (20, 99563616), (24, 82969680), (30, 66375744), (32, 62227260), (36, 55313120), (40, 49781808), (45, 44250496), (48, 41484840), (60, 33187872), (64, 31113630), (72, 27656560), (80, 24890904), (90, 22125248), (96, 20742420), (120, 16593936), (128, 15556815), (144, 13828280), (160, 12445452), (180, 11062624), (192, 10371210), (240, 8296968), (288, 6914140), (320, 6222726), (360, 5531312), (384, 5185605), (480, 4148484), (576, 3457070), (640, 3111363), (720, 2765656), (960, 2074242), (1152, 1728535), (1440, 1382828), (1920, 1037121), (2880, 691414), (5760, 345707)]