201564920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15601}}^1$

素因数の和:15648

約数の個数: 64

約数和(自身を含む): 505504800

約数和(自身を除く): 303939880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 15601, 31202, 62404, 78005, 124808, 156010, 265217, 296419, 312020, 530434, 592838, 624040, 1060868, 1185676, 1326085, 1482095, 2121736, 2371352, 2652170, 2964190, 5039123, 5304340, 5928380, 10078246, 10608680, 11856760, 20156492, 25195615, 40312984, 50391230, 100782460, 201564920]

約数ペア:

[(1, 201564920), (2, 100782460), (4, 50391230), (5, 40312984), (8, 25195615), (10, 20156492), (17, 11856760), (19, 10608680), (20, 10078246), (34, 5928380), (38, 5304340), (40, 5039123), (68, 2964190), (76, 2652170), (85, 2371352), (95, 2121736), (136, 1482095), (152, 1326085), (170, 1185676), (190, 1060868), (323, 624040), (340, 592838), (380, 530434), (646, 312020), (680, 296419), (760, 265217), (1292, 156010), (1615, 124808), (2584, 78005), (3230, 62404), (6460, 31202), (12920, 15601)]