80216880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19661}}^1$

素因数の和:19694

約数の個数: 80

約数和(自身を含む): 263313504

約数和(自身を除く): 183096624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 19661, 39322, 58983, 78644, 98305, 117966, 157288, 196610, 235932, 294915, 314576, 334237, 393220, 471864, 589830, 668474, 786440, 943728, 1002711, 1179660, 1336948, 1572880, 1671185, 2005422, 2359320, 2673896, 3342370, 4010844, 4718640, 5013555, 5347792, 6684740, 8021688, 10027110, 13369480, 16043376, 20054220, 26738960, 40108440, 80216880]

約数ペア:

[(1, 80216880), (2, 40108440), (3, 26738960), (4, 20054220), (5, 16043376), (6, 13369480), (8, 10027110), (10, 8021688), (12, 6684740), (15, 5347792), (16, 5013555), (17, 4718640), (20, 4010844), (24, 3342370), (30, 2673896), (34, 2359320), (40, 2005422), (48, 1671185), (51, 1572880), (60, 1336948), (68, 1179660), (80, 1002711), (85, 943728), (102, 786440), (120, 668474), (136, 589830), (170, 471864), (204, 393220), (240, 334237), (255, 314576), (272, 294915), (340, 235932), (408, 196610), (510, 157288), (680, 117966), (816, 98305), (1020, 78644), (1360, 58983), (2040, 39322), (4080, 19661)]