31984020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 97801704

約数和(自身を除く): 65817684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1297, 1370, 1644, 2055, 2466, 2594, 2740, 3891, 4110, 4932, 5188, 6165, 6485, 7782, 8220, 11673, 12330, 12970, 15564, 19455, 23346, 24660, 25940, 38910, 46692, 58365, 77820, 116730, 177689, 233460, 355378, 533067, 710756, 888445, 1066134, 1599201, 1776890, 2132268, 2665335, 3198402, 3553780, 5330670, 6396804, 7996005, 10661340, 15992010, 31984020]

約数ペア:

[(1, 31984020), (2, 15992010), (3, 10661340), (4, 7996005), (5, 6396804), (6, 5330670), (9, 3553780), (10, 3198402), (12, 2665335), (15, 2132268), (18, 1776890), (20, 1599201), (30, 1066134), (36, 888445), (45, 710756), (60, 533067), (90, 355378), (137, 233460), (180, 177689), (274, 116730), (411, 77820), (548, 58365), (685, 46692), (822, 38910), (1233, 25940), (1297, 24660), (1370, 23346), (1644, 19455), (2055, 15564), (2466, 12970), (2594, 12330), (2740, 11673), (3891, 8220), (4110, 7782), (4932, 6485), (5188, 6165)]