78348780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:804

約数の個数: 144

約数和(自身を含む): 258585600

約数和(自身を除く): 180236820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 739, 855, 930, 1116, 1140, 1178, 1395, 1478, 1710, 1767, 1860, 2217, 2356, 2790, 2945, 2956, 3420, 3534, 3695, 4434, 5301, 5580, 5890, 6651, 7068, 7390, 8835, 8868, 10602, 11085, 11780, 13302, 14041, 14780, 17670, 21204, 22170, 22909, 26505, 26604, 28082, 33255, 35340, 42123, 44340, 45818, 53010, 56164, 66510, 68727, 70205, 84246, 91636, 106020, 114545, 126369, 133020, 137454, 140410, 168492, 206181, 210615, 229090, 252738, 274908, 280820, 343635, 412362, 421230, 435271, 458180, 505476, 631845, 687270, 824724, 842460, 870542, 1030905, 1263690, 1305813, 1374540, 1741084, 2061810, 2176355, 2527380, 2611626, 3917439, 4123620, 4352710, 5223252, 6529065, 7834878, 8705420, 13058130, 15669756, 19587195, 26116260, 39174390, 78348780]

約数ペア:

[(1, 78348780), (2, 39174390), (3, 26116260), (4, 19587195), (5, 15669756), (6, 13058130), (9, 8705420), (10, 7834878), (12, 6529065), (15, 5223252), (18, 4352710), (19, 4123620), (20, 3917439), (30, 2611626), (31, 2527380), (36, 2176355), (38, 2061810), (45, 1741084), (57, 1374540), (60, 1305813), (62, 1263690), (76, 1030905), (90, 870542), (93, 842460), (95, 824724), (114, 687270), (124, 631845), (155, 505476), (171, 458180), (180, 435271), (186, 421230), (190, 412362), (228, 343635), (279, 280820), (285, 274908), (310, 252738), (342, 229090), (372, 210615), (380, 206181), (465, 168492), (558, 140410), (570, 137454), (589, 133020), (620, 126369), (684, 114545), (739, 106020), (855, 91636), (930, 84246), (1116, 70205), (1140, 68727), (1178, 66510), (1395, 56164), (1478, 53010), (1710, 45818), (1767, 44340), (1860, 42123), (2217, 35340), (2356, 33255), (2790, 28082), (2945, 26604), (2956, 26505), (3420, 22909), (3534, 22170), (3695, 21204), (4434, 17670), (5301, 14780), (5580, 14041), (5890, 13302), (6651, 11780), (7068, 11085), (7390, 10602), (8835, 8868)]