78909180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2219

約数の個数: 96

約数和(自身を含む): 255467520

約数和(自身を除く): 176558340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 2111, 2492, 2670, 3115, 3738, 4222, 5340, 6230, 6333, 7476, 8444, 9345, 10555, 12460, 12666, 14777, 18690, 21110, 25332, 29554, 31665, 37380, 42220, 44331, 59108, 63330, 73885, 88662, 126660, 147770, 177324, 187879, 221655, 295540, 375758, 443310, 563637, 751516, 886620, 939395, 1127274, 1315153, 1878790, 2254548, 2630306, 2818185, 3757580, 3945459, 5260612, 5636370, 6575765, 7890918, 11272740, 13151530, 15781836, 19727295, 26303060, 39454590, 78909180]

約数ペア:

[(1, 78909180), (2, 39454590), (3, 26303060), (4, 19727295), (5, 15781836), (6, 13151530), (7, 11272740), (10, 7890918), (12, 6575765), (14, 5636370), (15, 5260612), (20, 3945459), (21, 3757580), (28, 2818185), (30, 2630306), (35, 2254548), (42, 1878790), (60, 1315153), (70, 1127274), (84, 939395), (89, 886620), (105, 751516), (140, 563637), (178, 443310), (210, 375758), (267, 295540), (356, 221655), (420, 187879), (445, 177324), (534, 147770), (623, 126660), (890, 88662), (1068, 73885), (1246, 63330), (1335, 59108), (1780, 44331), (1869, 42220), (2111, 37380), (2492, 31665), (2670, 29554), (3115, 25332), (3738, 21110), (4222, 18690), (5340, 14777), (6230, 12666), (6333, 12460), (7476, 10555), (8444, 9345)]