31445520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131023}}^1$

素因数の和:131039

約数の個数: 40

約数和(自身を含む): 97481856

約数和(自身を除く): 66036336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 131023, 262046, 393069, 524092, 655115, 786138, 1048184, 1310230, 1572276, 1965345, 2096368, 2620460, 3144552, 3930690, 5240920, 6289104, 7861380, 10481840, 15722760, 31445520]

約数ペア:

[(1, 31445520), (2, 15722760), (3, 10481840), (4, 7861380), (5, 6289104), (6, 5240920), (8, 3930690), (10, 3144552), (12, 2620460), (15, 2096368), (16, 1965345), (20, 1572276), (24, 1310230), (30, 1048184), (40, 786138), (48, 655115), (60, 524092), (80, 393069), (120, 262046), (240, 131023)]