19940282280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55389673}}^1$

素因数の和:55389690

約数の個数: 48

約数和(自身を含む): 64805918580

約数和(自身を除く): 44865636300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55389673, 110779346, 166169019, 221558692, 276948365, 332338038, 443117384, 498507057, 553896730, 664676076, 830845095, 997014114, 1107793460, 1329352152, 1661690190, 1994028228, 2215586920, 2492535285, 3323380380, 3988056456, 4985070570, 6646760760, 9970141140, 19940282280]

約数ペア:

[(1, 19940282280), (2, 9970141140), (3, 6646760760), (4, 4985070570), (5, 3988056456), (6, 3323380380), (8, 2492535285), (9, 2215586920), (10, 1994028228), (12, 1661690190), (15, 1329352152), (18, 1107793460), (20, 997014114), (24, 830845095), (30, 664676076), (36, 553896730), (40, 498507057), (45, 443117384), (60, 332338038), (72, 276948365), (90, 221558692), (120, 166169019), (180, 110779346), (360, 55389673)]