64708760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 150115680

約数和(自身を除く): 85406920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 212, 233, 262, 265, 424, 466, 524, 530, 655, 932, 1048, 1060, 1165, 1310, 1864, 2120, 2330, 2620, 4660, 5240, 6943, 9320, 12349, 13886, 24698, 27772, 30523, 34715, 49396, 55544, 61046, 61745, 69430, 98792, 122092, 123490, 138860, 152615, 244184, 246980, 277720, 305230, 493960, 610460, 1220920, 1617719, 3235438, 6470876, 8088595, 12941752, 16177190, 32354380, 64708760]

約数ペア:

[(1, 64708760), (2, 32354380), (4, 16177190), (5, 12941752), (8, 8088595), (10, 6470876), (20, 3235438), (40, 1617719), (53, 1220920), (106, 610460), (131, 493960), (212, 305230), (233, 277720), (262, 246980), (265, 244184), (424, 152615), (466, 138860), (524, 123490), (530, 122092), (655, 98792), (932, 69430), (1048, 61745), (1060, 61046), (1165, 55544), (1310, 49396), (1864, 34715), (2120, 30523), (2330, 27772), (2620, 24698), (4660, 13886), (5240, 12349), (6943, 9320)]