1987853220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{49523}}^1$

素因数の和:49761

約数の個数: 72

約数和(自身を含む): 6056983296

約数和(自身を除く): 4069130076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 6690, 8028, 10035, 13380, 20070, 40140, 49523, 99046, 148569, 198092, 247615, 297138, 445707, 495230, 594276, 742845, 891414, 990460, 1485690, 1782828, 2228535, 2971380, 4457070, 8914140, 11043629, 22087258, 33130887, 44174516, 55218145, 66261774, 99392661, 110436290, 132523548, 165654435, 198785322, 220872580, 331308870, 397570644, 496963305, 662617740, 993926610, 1987853220]

約数ペア:

[(1, 1987853220), (2, 993926610), (3, 662617740), (4, 496963305), (5, 397570644), (6, 331308870), (9, 220872580), (10, 198785322), (12, 165654435), (15, 132523548), (18, 110436290), (20, 99392661), (30, 66261774), (36, 55218145), (45, 44174516), (60, 33130887), (90, 22087258), (180, 11043629), (223, 8914140), (446, 4457070), (669, 2971380), (892, 2228535), (1115, 1782828), (1338, 1485690), (2007, 990460), (2230, 891414), (2676, 742845), (3345, 594276), (4014, 495230), (4460, 445707), (6690, 297138), (8028, 247615), (10035, 198092), (13380, 148569), (20070, 99046), (40140, 49523)]