30905320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 75271680

約数和(自身を除く): 44366360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 967, 1598, 1880, 1934, 3196, 3868, 3995, 4835, 6392, 7736, 7990, 9670, 15980, 16439, 19340, 31960, 32878, 38680, 45449, 65756, 82195, 90898, 131512, 164390, 181796, 227245, 328780, 363592, 454490, 657560, 772633, 908980, 1545266, 1817960, 3090532, 3863165, 6181064, 7726330, 15452660, 30905320]

約数ペア:

[(1, 30905320), (2, 15452660), (4, 7726330), (5, 6181064), (8, 3863165), (10, 3090532), (17, 1817960), (20, 1545266), (34, 908980), (40, 772633), (47, 657560), (68, 454490), (85, 363592), (94, 328780), (136, 227245), (170, 181796), (188, 164390), (235, 131512), (340, 90898), (376, 82195), (470, 65756), (680, 45449), (799, 38680), (940, 32878), (967, 31960), (1598, 19340), (1880, 16439), (1934, 15980), (3196, 9670), (3868, 7990), (3995, 7736), (4835, 6392)]