63640690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 130535172

約数和(自身を除く): 66894482

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 61, 85, 95, 122, 170, 190, 289, 305, 323, 361, 578, 610, 646, 722, 1037, 1159, 1445, 1615, 1805, 2074, 2318, 2890, 3230, 3610, 5185, 5491, 5795, 6137, 10370, 10982, 11590, 12274, 17629, 19703, 22021, 27455, 30685, 35258, 39406, 44042, 54910, 61370, 88145, 98515, 104329, 110105, 176290, 197030, 208658, 220210, 334951, 374357, 521645, 669902, 748714, 1043290, 1674755, 1871785, 3349510, 3743570, 6364069, 12728138, 31820345, 63640690]

約数ペア:

[(1, 63640690), (2, 31820345), (5, 12728138), (10, 6364069), (17, 3743570), (19, 3349510), (34, 1871785), (38, 1674755), (61, 1043290), (85, 748714), (95, 669902), (122, 521645), (170, 374357), (190, 334951), (289, 220210), (305, 208658), (323, 197030), (361, 176290), (578, 110105), (610, 104329), (646, 98515), (722, 88145), (1037, 61370), (1159, 54910), (1445, 44042), (1615, 39406), (1805, 35258), (2074, 30685), (2318, 27455), (2890, 22021), (3230, 19703), (3610, 17629), (5185, 12274), (5491, 11590), (5795, 10982), (6137, 10370)]