61980156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{587}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 179786880

約数和(自身を除く): 117806724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 419, 587, 838, 1174, 1257, 1676, 1761, 2348, 2514, 2933, 3522, 3771, 4109, 5028, 5283, 5866, 7044, 7542, 8218, 8799, 10566, 11732, 12327, 15084, 16436, 17598, 21132, 24654, 26397, 35196, 36981, 49308, 52794, 73962, 105588, 147924, 245953, 491906, 737859, 983812, 1475718, 1721671, 2213577, 2951436, 3443342, 4427154, 5165013, 6886684, 8854308, 10330026, 15495039, 20660052, 30990078, 61980156]

約数ペア:

[(1, 61980156), (2, 30990078), (3, 20660052), (4, 15495039), (6, 10330026), (7, 8854308), (9, 6886684), (12, 5165013), (14, 4427154), (18, 3443342), (21, 2951436), (28, 2213577), (36, 1721671), (42, 1475718), (63, 983812), (84, 737859), (126, 491906), (252, 245953), (419, 147924), (587, 105588), (838, 73962), (1174, 52794), (1257, 49308), (1676, 36981), (1761, 35196), (2348, 26397), (2514, 24654), (2933, 21132), (3522, 17598), (3771, 16436), (4109, 15084), (5028, 12327), (5283, 11732), (5866, 10566), (7044, 8799), (7542, 8218)]