61821620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15227}}^1$

素因数の和:15272

約数の個数: 48

約数和(自身を含む): 153498240

約数和(自身を除く): 91676620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15227, 30454, 60908, 76135, 106589, 152270, 213178, 304540, 426356, 441583, 532945, 883166, 1065890, 1766332, 2131780, 2207915, 3091081, 4415830, 6182162, 8831660, 12364324, 15455405, 30910810, 61821620]

約数ペア:

[(1, 61821620), (2, 30910810), (4, 15455405), (5, 12364324), (7, 8831660), (10, 6182162), (14, 4415830), (20, 3091081), (28, 2207915), (29, 2131780), (35, 1766332), (58, 1065890), (70, 883166), (116, 532945), (140, 441583), (145, 426356), (203, 304540), (290, 213178), (406, 152270), (580, 106589), (812, 76135), (1015, 60908), (2030, 30454), (4060, 15227)]