213672720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{890303}}^1$

素因数の和:890319

約数の個数: 40

約数和(自身を含む): 662386176

約数和(自身を除く): 448713456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 890303, 1780606, 2670909, 3561212, 4451515, 5341818, 7122424, 8903030, 10683636, 13354545, 14244848, 17806060, 21367272, 26709090, 35612120, 42734544, 53418180, 71224240, 106836360, 213672720]

約数ペア:

[(1, 213672720), (2, 106836360), (3, 71224240), (4, 53418180), (5, 42734544), (6, 35612120), (8, 26709090), (10, 21367272), (12, 17806060), (15, 14244848), (16, 13354545), (20, 10683636), (24, 8903030), (30, 7122424), (40, 5341818), (48, 4451515), (60, 3561212), (80, 2670909), (120, 1780606), (240, 890303)]