26509980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 88252416

約数和(自身を除く): 61742436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 127, 140, 142, 147, 196, 210, 213, 245, 254, 284, 294, 355, 381, 420, 426, 490, 497, 508, 588, 635, 710, 735, 762, 852, 889, 980, 994, 1065, 1270, 1420, 1470, 1491, 1524, 1778, 1905, 1988, 2130, 2485, 2540, 2667, 2940, 2982, 3479, 3556, 3810, 4260, 4445, 4970, 5334, 5964, 6223, 6958, 7455, 7620, 8890, 9017, 9940, 10437, 10668, 12446, 13335, 13916, 14910, 17395, 17780, 18034, 18669, 20874, 24892, 26670, 27051, 29820, 31115, 34790, 36068, 37338, 41748, 45085, 52185, 53340, 54102, 62230, 63119, 69580, 74676, 90170, 93345, 104370, 108204, 124460, 126238, 135255, 180340, 186690, 189357, 208740, 252476, 270510, 315595, 373380, 378714, 441833, 541020, 631190, 757428, 883666, 946785, 1262380, 1325499, 1767332, 1893570, 2209165, 2650998, 3787140, 4418330, 5301996, 6627495, 8836660, 13254990, 26509980]

約数ペア:

[(1, 26509980), (2, 13254990), (3, 8836660), (4, 6627495), (5, 5301996), (6, 4418330), (7, 3787140), (10, 2650998), (12, 2209165), (14, 1893570), (15, 1767332), (20, 1325499), (21, 1262380), (28, 946785), (30, 883666), (35, 757428), (42, 631190), (49, 541020), (60, 441833), (70, 378714), (71, 373380), (84, 315595), (98, 270510), (105, 252476), (127, 208740), (140, 189357), (142, 186690), (147, 180340), (196, 135255), (210, 126238), (213, 124460), (245, 108204), (254, 104370), (284, 93345), (294, 90170), (355, 74676), (381, 69580), (420, 63119), (426, 62230), (490, 54102), (497, 53340), (508, 52185), (588, 45085), (635, 41748), (710, 37338), (735, 36068), (762, 34790), (852, 31115), (889, 29820), (980, 27051), (994, 26670), (1065, 24892), (1270, 20874), (1420, 18669), (1470, 18034), (1491, 17780), (1524, 17395), (1778, 14910), (1905, 13916), (1988, 13335), (2130, 12446), (2485, 10668), (2540, 10437), (2667, 9940), (2940, 9017), (2982, 8890), (3479, 7620), (3556, 7455), (3810, 6958), (4260, 6223), (4445, 5964), (4970, 5334)]