257105070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5261}}^1$

素因数の和:5458

約数の個数: 64

約数和(自身を含む): 689532480

約数和(自身を除く): 432427410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 181, 270, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 4887, 5261, 5430, 8145, 9774, 10522, 15783, 16290, 24435, 26305, 31566, 47349, 48870, 52610, 78915, 94698, 142047, 157830, 236745, 284094, 473490, 710235, 952241, 1420470, 1904482, 2856723, 4761205, 5713446, 8570169, 9522410, 14283615, 17140338, 25710507, 28567230, 42850845, 51421014, 85701690, 128552535, 257105070]

約数ペア:

[(1, 257105070), (2, 128552535), (3, 85701690), (5, 51421014), (6, 42850845), (9, 28567230), (10, 25710507), (15, 17140338), (18, 14283615), (27, 9522410), (30, 8570169), (45, 5713446), (54, 4761205), (90, 2856723), (135, 1904482), (181, 1420470), (270, 952241), (362, 710235), (543, 473490), (905, 284094), (1086, 236745), (1629, 157830), (1810, 142047), (2715, 94698), (3258, 78915), (4887, 52610), (5261, 48870), (5430, 47349), (8145, 31566), (9774, 26305), (10522, 24435), (15783, 16290)]