15521780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 34884864

約数和(自身を除く): 19363084

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 823, 943, 1646, 1886, 3292, 3772, 4115, 4715, 8230, 9430, 16460, 18860, 18929, 33743, 37858, 67486, 75716, 94645, 134972, 168715, 189290, 337430, 378580, 674860, 776089, 1552178, 3104356, 3880445, 7760890, 15521780]

約数ペア:

[(1, 15521780), (2, 7760890), (4, 3880445), (5, 3104356), (10, 1552178), (20, 776089), (23, 674860), (41, 378580), (46, 337430), (82, 189290), (92, 168715), (115, 134972), (164, 94645), (205, 75716), (230, 67486), (410, 37858), (460, 33743), (820, 18929), (823, 18860), (943, 16460), (1646, 9430), (1886, 8230), (3292, 4715), (3772, 4115)]