198321120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137723}}^1$

素因数の和:137744

約数の個数: 72

約数和(自身を含む): 676775736

約数和(自身を除く): 478454616

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 137723, 275446, 413169, 550892, 688615, 826338, 1101784, 1239507, 1377230, 1652676, 2065845, 2203568, 2479014, 2754460, 3305352, 4131690, 4407136, 4958028, 5508920, 6197535, 6610704, 8263380, 9916056, 11017840, 12395070, 13221408, 16526760, 19832112, 22035680, 24790140, 33053520, 39664224, 49580280, 66107040, 99160560, 198321120]

約数ペア:

[(1, 198321120), (2, 99160560), (3, 66107040), (4, 49580280), (5, 39664224), (6, 33053520), (8, 24790140), (9, 22035680), (10, 19832112), (12, 16526760), (15, 13221408), (16, 12395070), (18, 11017840), (20, 9916056), (24, 8263380), (30, 6610704), (32, 6197535), (36, 5508920), (40, 4958028), (45, 4407136), (48, 4131690), (60, 3305352), (72, 2754460), (80, 2479014), (90, 2203568), (96, 2065845), (120, 1652676), (144, 1377230), (160, 1239507), (180, 1101784), (240, 826338), (288, 688615), (360, 550892), (480, 413169), (720, 275446), (1440, 137723)]