47881980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8581}}^1$

素因数の和:8627

約数の個数: 72

約数和(自身を含む): 149944704

約数和(自身を除く): 102062724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 8581, 17162, 25743, 34324, 42905, 51486, 77229, 85810, 102972, 128715, 154458, 171620, 257430, 266011, 308916, 386145, 514860, 532022, 772290, 798033, 1064044, 1330055, 1544580, 1596066, 2394099, 2660110, 3192132, 3990165, 4788198, 5320220, 7980330, 9576396, 11970495, 15960660, 23940990, 47881980]

約数ペア:

[(1, 47881980), (2, 23940990), (3, 15960660), (4, 11970495), (5, 9576396), (6, 7980330), (9, 5320220), (10, 4788198), (12, 3990165), (15, 3192132), (18, 2660110), (20, 2394099), (30, 1596066), (31, 1544580), (36, 1330055), (45, 1064044), (60, 798033), (62, 772290), (90, 532022), (93, 514860), (124, 386145), (155, 308916), (180, 266011), (186, 257430), (279, 171620), (310, 154458), (372, 128715), (465, 102972), (558, 85810), (620, 77229), (930, 51486), (1116, 42905), (1395, 34324), (1860, 25743), (2790, 17162), (5580, 8581)]