291686580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2459}}^1$

素因数の和:3133

約数の個数: 72

約数和(自身を含む): 886485600

約数和(自身を除く): 594799020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 659, 1318, 1977, 2459, 2636, 3295, 3954, 4918, 5931, 6590, 7377, 7908, 9836, 9885, 11862, 12295, 13180, 14754, 19770, 22131, 23724, 24590, 29508, 29655, 36885, 39540, 44262, 49180, 59310, 73770, 88524, 110655, 118620, 147540, 221310, 442620, 1620481, 3240962, 4861443, 6481924, 8102405, 9722886, 14584329, 16204810, 19445772, 24307215, 29168658, 32409620, 48614430, 58337316, 72921645, 97228860, 145843290, 291686580]

約数ペア:

[(1, 291686580), (2, 145843290), (3, 97228860), (4, 72921645), (5, 58337316), (6, 48614430), (9, 32409620), (10, 29168658), (12, 24307215), (15, 19445772), (18, 16204810), (20, 14584329), (30, 9722886), (36, 8102405), (45, 6481924), (60, 4861443), (90, 3240962), (180, 1620481), (659, 442620), (1318, 221310), (1977, 147540), (2459, 118620), (2636, 110655), (3295, 88524), (3954, 73770), (4918, 59310), (5931, 49180), (6590, 44262), (7377, 39540), (7908, 36885), (9836, 29655), (9885, 29508), (11862, 24590), (12295, 23724), (13180, 22131), (14754, 19770)]