77812740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 254741760

約数和(自身を除く): 176929020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 340, 354, 431, 510, 531, 590, 612, 708, 765, 862, 885, 1003, 1020, 1062, 1180, 1293, 1530, 1724, 1770, 2006, 2124, 2155, 2586, 2655, 3009, 3060, 3540, 3879, 4012, 4310, 5015, 5172, 5310, 6018, 6465, 7327, 7758, 8620, 9027, 10030, 10620, 12036, 12930, 14654, 15045, 15516, 18054, 19395, 20060, 21981, 25429, 25860, 29308, 30090, 36108, 36635, 38790, 43962, 45135, 50858, 60180, 65943, 73270, 76287, 77580, 87924, 90270, 101716, 109905, 127145, 131886, 146540, 152574, 180540, 219810, 228861, 254290, 263772, 305148, 329715, 381435, 432293, 439620, 457722, 508580, 659430, 762870, 864586, 915444, 1144305, 1296879, 1318860, 1525740, 1729172, 2161465, 2288610, 2593758, 3890637, 4322930, 4577220, 5187516, 6484395, 7781274, 8645860, 12968790, 15562548, 19453185, 25937580, 38906370, 77812740]

約数ペア:

[(1, 77812740), (2, 38906370), (3, 25937580), (4, 19453185), (5, 15562548), (6, 12968790), (9, 8645860), (10, 7781274), (12, 6484395), (15, 5187516), (17, 4577220), (18, 4322930), (20, 3890637), (30, 2593758), (34, 2288610), (36, 2161465), (45, 1729172), (51, 1525740), (59, 1318860), (60, 1296879), (68, 1144305), (85, 915444), (90, 864586), (102, 762870), (118, 659430), (153, 508580), (170, 457722), (177, 439620), (180, 432293), (204, 381435), (236, 329715), (255, 305148), (295, 263772), (306, 254290), (340, 228861), (354, 219810), (431, 180540), (510, 152574), (531, 146540), (590, 131886), (612, 127145), (708, 109905), (765, 101716), (862, 90270), (885, 87924), (1003, 77580), (1020, 76287), (1062, 73270), (1180, 65943), (1293, 60180), (1530, 50858), (1724, 45135), (1770, 43962), (2006, 38790), (2124, 36635), (2155, 36108), (2586, 30090), (2655, 29308), (3009, 25860), (3060, 25429), (3540, 21981), (3879, 20060), (4012, 19395), (4310, 18054), (5015, 15516), (5172, 15045), (5310, 14654), (6018, 12930), (6465, 12036), (7327, 10620), (7758, 10030), (8620, 9027)]