72801810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8009}}^1$

素因数の和:8123

約数の個数: 48

約数和(自身を含む): 191182680

約数和(自身を除く): 118380870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 3030, 4545, 8009, 9090, 16018, 24027, 40045, 48054, 72081, 80090, 120135, 144162, 240270, 360405, 720810, 808909, 1617818, 2426727, 4044545, 4853454, 7280181, 8089090, 12133635, 14560362, 24267270, 36400905, 72801810]

約数ペア:

[(1, 72801810), (2, 36400905), (3, 24267270), (5, 14560362), (6, 12133635), (9, 8089090), (10, 7280181), (15, 4853454), (18, 4044545), (30, 2426727), (45, 1617818), (90, 808909), (101, 720810), (202, 360405), (303, 240270), (505, 144162), (606, 120135), (909, 80090), (1010, 72081), (1515, 48054), (1818, 40045), (3030, 24027), (4545, 16018), (8009, 9090)]