145211640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{172871}}^1$

素因数の和:172892

約数の個数: 64

約数和(自身を含む): 497871360

約数和(自身を除く): 352659720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 172871, 345742, 518613, 691484, 864355, 1037226, 1210097, 1382968, 1728710, 2074452, 2420194, 2593065, 3457420, 3630291, 4148904, 4840388, 5186130, 6050485, 6914840, 7260582, 9680776, 10372260, 12100970, 14521164, 18151455, 20744520, 24201940, 29042328, 36302910, 48403880, 72605820, 145211640]

約数ペア:

[(1, 145211640), (2, 72605820), (3, 48403880), (4, 36302910), (5, 29042328), (6, 24201940), (7, 20744520), (8, 18151455), (10, 14521164), (12, 12100970), (14, 10372260), (15, 9680776), (20, 7260582), (21, 6914840), (24, 6050485), (28, 5186130), (30, 4840388), (35, 4148904), (40, 3630291), (42, 3457420), (56, 2593065), (60, 2420194), (70, 2074452), (84, 1728710), (105, 1382968), (120, 1210097), (140, 1037226), (168, 864355), (210, 691484), (280, 518613), (420, 345742), (840, 172871)]