74728920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 265939200

約数和(自身を除く): 191210280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 140, 142, 147, 168, 179, 196, 210, 213, 245, 280, 284, 294, 355, 358, 392, 420, 426, 490, 497, 537, 568, 588, 710, 716, 735, 840, 852, 895, 980, 994, 1065, 1074, 1176, 1253, 1420, 1432, 1470, 1491, 1704, 1790, 1960, 1988, 2130, 2148, 2485, 2506, 2685, 2840, 2940, 2982, 3479, 3580, 3759, 3976, 4260, 4296, 4970, 5012, 5370, 5880, 5964, 6265, 6958, 7160, 7455, 7518, 8520, 8771, 9940, 10024, 10437, 10740, 11928, 12530, 12709, 13916, 14910, 15036, 17395, 17542, 18795, 19880, 20874, 21480, 25060, 25418, 26313, 27832, 29820, 30072, 34790, 35084, 37590, 38127, 41748, 43855, 50120, 50836, 52185, 52626, 59640, 63545, 69580, 70168, 75180, 76254, 83496, 87710, 88963, 101672, 104370, 105252, 127090, 131565, 139160, 150360, 152508, 175420, 177926, 190635, 208740, 210504, 254180, 263130, 266889, 305016, 350840, 355852, 381270, 417480, 444815, 508360, 526260, 533778, 622741, 711704, 762540, 889630, 1052520, 1067556, 1245482, 1334445, 1525080, 1779260, 1868223, 2135112, 2490964, 2668890, 3113705, 3558520, 3736446, 4981928, 5337780, 6227410, 7472892, 9341115, 10675560, 12454820, 14945784, 18682230, 24909640, 37364460, 74728920]

約数ペア:

[(1, 74728920), (2, 37364460), (3, 24909640), (4, 18682230), (5, 14945784), (6, 12454820), (7, 10675560), (8, 9341115), (10, 7472892), (12, 6227410), (14, 5337780), (15, 4981928), (20, 3736446), (21, 3558520), (24, 3113705), (28, 2668890), (30, 2490964), (35, 2135112), (40, 1868223), (42, 1779260), (49, 1525080), (56, 1334445), (60, 1245482), (70, 1067556), (71, 1052520), (84, 889630), (98, 762540), (105, 711704), (120, 622741), (140, 533778), (142, 526260), (147, 508360), (168, 444815), (179, 417480), (196, 381270), (210, 355852), (213, 350840), (245, 305016), (280, 266889), (284, 263130), (294, 254180), (355, 210504), (358, 208740), (392, 190635), (420, 177926), (426, 175420), (490, 152508), (497, 150360), (537, 139160), (568, 131565), (588, 127090), (710, 105252), (716, 104370), (735, 101672), (840, 88963), (852, 87710), (895, 83496), (980, 76254), (994, 75180), (1065, 70168), (1074, 69580), (1176, 63545), (1253, 59640), (1420, 52626), (1432, 52185), (1470, 50836), (1491, 50120), (1704, 43855), (1790, 41748), (1960, 38127), (1988, 37590), (2130, 35084), (2148, 34790), (2485, 30072), (2506, 29820), (2685, 27832), (2840, 26313), (2940, 25418), (2982, 25060), (3479, 21480), (3580, 20874), (3759, 19880), (3976, 18795), (4260, 17542), (4296, 17395), (4970, 15036), (5012, 14910), (5370, 13916), (5880, 12709), (5964, 12530), (6265, 11928), (6958, 10740), (7160, 10437), (7455, 10024), (7518, 9940), (8520, 8771)]