78760395

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 72

約数和(自身を含む): 165818016

約数和(自身を除く): 87057621

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 345, 441, 483, 735, 805, 1035, 1127, 1449, 1553, 2205, 2415, 3381, 4659, 5635, 7245, 7765, 10143, 10871, 13977, 16905, 23295, 32613, 35719, 50715, 54355, 69885, 76097, 97839, 107157, 163065, 178595, 228291, 250033, 321471, 380485, 489195, 535785, 684873, 750099, 1141455, 1250165, 1607355, 1750231, 2250297, 3424365, 3750495, 5250693, 8751155, 11251485, 15752079, 26253465, 78760395]

約数ペア:

[(1, 78760395), (3, 26253465), (5, 15752079), (7, 11251485), (9, 8751155), (15, 5250693), (21, 3750495), (23, 3424365), (35, 2250297), (45, 1750231), (49, 1607355), (63, 1250165), (69, 1141455), (105, 750099), (115, 684873), (147, 535785), (161, 489195), (207, 380485), (245, 321471), (315, 250033), (345, 228291), (441, 178595), (483, 163065), (735, 107157), (805, 97839), (1035, 76097), (1127, 69885), (1449, 54355), (1553, 50715), (2205, 35719), (2415, 32613), (3381, 23295), (4659, 16905), (5635, 13977), (7245, 10871), (7765, 10143)]