320909040

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{49523}}^1$

素因数の和:49548

約数の個数: 100

約数和(自身を含む): 1114587144

約数和(自身を除く): 793678104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 49523, 99046, 148569, 198092, 247615, 297138, 396184, 445707, 495230, 594276, 742845, 792368, 891414, 990460, 1188552, 1337121, 1485690, 1782828, 1980920, 2228535, 2377104, 2674242, 2971380, 3565656, 3961840, 4011363, 4457070, 5348484, 5942760, 6685605, 7131312, 8022726, 8914140, 10696968, 11885520, 13371210, 16045452, 17828280, 20056815, 21393936, 26742420, 32090904, 35656560, 40113630, 53484840, 64181808, 80227260, 106969680, 160454520, 320909040]

約数ペア:

[(1, 320909040), (2, 160454520), (3, 106969680), (4, 80227260), (5, 64181808), (6, 53484840), (8, 40113630), (9, 35656560), (10, 32090904), (12, 26742420), (15, 21393936), (16, 20056815), (18, 17828280), (20, 16045452), (24, 13371210), (27, 11885520), (30, 10696968), (36, 8914140), (40, 8022726), (45, 7131312), (48, 6685605), (54, 5942760), (60, 5348484), (72, 4457070), (80, 4011363), (81, 3961840), (90, 3565656), (108, 2971380), (120, 2674242), (135, 2377104), (144, 2228535), (162, 1980920), (180, 1782828), (216, 1485690), (240, 1337121), (270, 1188552), (324, 990460), (360, 891414), (405, 792368), (432, 742845), (540, 594276), (648, 495230), (720, 445707), (810, 396184), (1080, 297138), (1296, 247615), (1620, 198092), (2160, 148569), (3240, 99046), (6480, 49523)]