87478020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69427}}^1$

素因数の和:69449

約数の個数: 72

約数和(自身を含む): 303261504

約数和(自身を除く): 215783484

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, 69427, 138854, 208281, 277708, 347135, 416562, 485989, 624843, 694270, 833124, 971978, 1041405, 1249686, 1388540, 1457967, 1943956, 2082810, 2429945, 2499372, 2915934, 3124215, 4165620, 4373901, 4859890, 5831868, 6248430, 7289835, 8747802, 9719780, 12496860, 14579670, 17495604, 21869505, 29159340, 43739010, 87478020]

約数ペア:

[(1, 87478020), (2, 43739010), (3, 29159340), (4, 21869505), (5, 17495604), (6, 14579670), (7, 12496860), (9, 9719780), (10, 8747802), (12, 7289835), (14, 6248430), (15, 5831868), (18, 4859890), (20, 4373901), (21, 4165620), (28, 3124215), (30, 2915934), (35, 2499372), (36, 2429945), (42, 2082810), (45, 1943956), (60, 1457967), (63, 1388540), (70, 1249686), (84, 1041405), (90, 971978), (105, 833124), (126, 694270), (140, 624843), (180, 485989), (210, 416562), (252, 347135), (315, 277708), (420, 208281), (630, 138854), (1260, 69427)]