180012420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{142867}}^1$

素因数の和:142889

約数の個数: 72

約数和(自身を含む): 624047424

約数和(自身を除く): 444035004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 142867, 285734, 428601, 571468, 714335, 857202, 1000069, 1285803, 1428670, 1714404, 2000138, 2143005, 2571606, 2857340, 3000207, 4000276, 4286010, 5000345, 5143212, 6000414, 6429015, 8572020, 9000621, 10000690, 12000828, 12858030, 15001035, 18001242, 20001380, 25716060, 30002070, 36002484, 45003105, 60004140, 90006210, 180012420]

約数ペア:

[(1, 180012420), (2, 90006210), (3, 60004140), (4, 45003105), (5, 36002484), (6, 30002070), (7, 25716060), (9, 20001380), (10, 18001242), (12, 15001035), (14, 12858030), (15, 12000828), (18, 10000690), (20, 9000621), (21, 8572020), (28, 6429015), (30, 6000414), (35, 5143212), (36, 5000345), (42, 4286010), (45, 4000276), (60, 3000207), (63, 2857340), (70, 2571606), (84, 2143005), (90, 2000138), (105, 1714404), (126, 1428670), (140, 1285803), (180, 1000069), (210, 857202), (252, 714335), (315, 571468), (420, 428601), (630, 285734), (1260, 142867)]