1621380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 4624704

約数和(自身を除く): 3003324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 443, 610, 732, 886, 915, 1220, 1329, 1772, 1830, 2215, 2658, 3660, 4430, 5316, 6645, 8860, 13290, 26580, 27023, 54046, 81069, 108092, 135115, 162138, 270230, 324276, 405345, 540460, 810690, 1621380]

約数ペア:

[(1, 1621380), (2, 810690), (3, 540460), (4, 405345), (5, 324276), (6, 270230), (10, 162138), (12, 135115), (15, 108092), (20, 81069), (30, 54046), (60, 27023), (61, 26580), (122, 13290), (183, 8860), (244, 6645), (305, 5316), (366, 4430), (443, 3660), (610, 2658), (732, 2215), (886, 1830), (915, 1772), (1220, 1329)]