287014140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227789}}^1$

素因数の和:227811

約数の個数: 72

約数和(自身を含む): 994986720

約数和(自身を除く): 707972580

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, 227789, 455578, 683367, 911156, 1138945, 1366734, 1594523, 2050101, 2277890, 2733468, 3189046, 3416835, 4100202, 4555780, 4783569, 6378092, 6833670, 7972615, 8200404, 9567138, 10250505, 13667340, 14350707, 15945230, 19134276, 20501010, 23917845, 28701414, 31890460, 41002020, 47835690, 57402828, 71753535, 95671380, 143507070, 287014140]

約数ペア:

[(1, 287014140), (2, 143507070), (3, 95671380), (4, 71753535), (5, 57402828), (6, 47835690), (7, 41002020), (9, 31890460), (10, 28701414), (12, 23917845), (14, 20501010), (15, 19134276), (18, 15945230), (20, 14350707), (21, 13667340), (28, 10250505), (30, 9567138), (35, 8200404), (36, 7972615), (42, 6833670), (45, 6378092), (60, 4783569), (63, 4555780), (70, 4100202), (84, 3416835), (90, 3189046), (105, 2733468), (126, 2277890), (140, 2050101), (180, 1594523), (210, 1366734), (252, 1138945), (315, 911156), (420, 683367), (630, 455578), (1260, 227789)]