1262940420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3007001}}^1$

素因数の和:3007020

約数の個数: 48

約数和(自身を含む): 4041410688

約数和(自身を除く): 2778470268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3007001, 6014002, 9021003, 12028004, 15035005, 18042006, 21049007, 30070010, 36084012, 42098014, 45105015, 60140020, 63147021, 84196028, 90210030, 105245035, 126294042, 180420060, 210490070, 252588084, 315735105, 420980140, 631470210, 1262940420]

約数ペア:

[(1, 1262940420), (2, 631470210), (3, 420980140), (4, 315735105), (5, 252588084), (6, 210490070), (7, 180420060), (10, 126294042), (12, 105245035), (14, 90210030), (15, 84196028), (20, 63147021), (21, 60140020), (28, 45105015), (30, 42098014), (35, 36084012), (42, 30070010), (60, 21049007), (70, 18042006), (84, 15035005), (105, 12028004), (140, 9021003), (210, 6014002), (420, 3007001)]