68990040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3911}}^1$

素因数の和:3942

約数の個数: 144

約数和(自身を含む): 260891280

約数和(自身を除く): 191901240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3911, 4410, 5880, 7822, 8820, 11733, 15644, 17640, 19555, 23466, 27377, 31288, 35199, 39110, 46932, 54754, 58665, 70398, 78220, 82131, 93864, 109508, 117330, 136885, 140796, 156440, 164262, 175995, 191639, 219016, 234660, 246393, 273770, 281592, 328524, 351990, 383278, 410655, 469320, 492786, 547540, 574917, 657048, 703980, 766556, 821310, 958195, 985572, 1095080, 1149834, 1231965, 1407960, 1533112, 1642620, 1724751, 1916390, 1971144, 2299668, 2463930, 2874585, 3285240, 3449502, 3832780, 4599336, 4927860, 5749170, 6899004, 7665560, 8623755, 9855720, 11498340, 13798008, 17247510, 22996680, 34495020, 68990040]

約数ペア:

[(1, 68990040), (2, 34495020), (3, 22996680), (4, 17247510), (5, 13798008), (6, 11498340), (7, 9855720), (8, 8623755), (9, 7665560), (10, 6899004), (12, 5749170), (14, 4927860), (15, 4599336), (18, 3832780), (20, 3449502), (21, 3285240), (24, 2874585), (28, 2463930), (30, 2299668), (35, 1971144), (36, 1916390), (40, 1724751), (42, 1642620), (45, 1533112), (49, 1407960), (56, 1231965), (60, 1149834), (63, 1095080), (70, 985572), (72, 958195), (84, 821310), (90, 766556), (98, 703980), (105, 657048), (120, 574917), (126, 547540), (140, 492786), (147, 469320), (168, 410655), (180, 383278), (196, 351990), (210, 328524), (245, 281592), (252, 273770), (280, 246393), (294, 234660), (315, 219016), (360, 191639), (392, 175995), (420, 164262), (441, 156440), (490, 140796), (504, 136885), (588, 117330), (630, 109508), (735, 93864), (840, 82131), (882, 78220), (980, 70398), (1176, 58665), (1260, 54754), (1470, 46932), (1764, 39110), (1960, 35199), (2205, 31288), (2520, 27377), (2940, 23466), (3528, 19555), (3911, 17640), (4410, 15644), (5880, 11733), (7822, 8820)]