81763430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 178053120

約数和(自身を除く): 96289690

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 62, 70, 82, 155, 205, 217, 287, 310, 410, 434, 574, 919, 1085, 1271, 1435, 1838, 2170, 2542, 2870, 4595, 6355, 6433, 8897, 9190, 12710, 12866, 17794, 28489, 32165, 37679, 44485, 56978, 64330, 75358, 88970, 142445, 188395, 199423, 263753, 284890, 376790, 398846, 527506, 997115, 1168049, 1318765, 1994230, 2336098, 2637530, 5840245, 8176343, 11680490, 16352686, 40881715, 81763430]

約数ペア:

[(1, 81763430), (2, 40881715), (5, 16352686), (7, 11680490), (10, 8176343), (14, 5840245), (31, 2637530), (35, 2336098), (41, 1994230), (62, 1318765), (70, 1168049), (82, 997115), (155, 527506), (205, 398846), (217, 376790), (287, 284890), (310, 263753), (410, 199423), (434, 188395), (574, 142445), (919, 88970), (1085, 75358), (1271, 64330), (1435, 56978), (1838, 44485), (2170, 37679), (2542, 32165), (2870, 28489), (4595, 17794), (6355, 12866), (6433, 12710), (8897, 9190)]