79529940

素因数分解:

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

素因数の和:227

約数の個数: 216

約数和(自身を含む): 286820352

約数和(自身を除く): 207290412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 71, 84, 90, 98, 105, 126, 127, 140, 142, 147, 180, 196, 210, 213, 245, 252, 254, 284, 294, 315, 355, 381, 420, 426, 441, 490, 497, 508, 588, 630, 635, 639, 710, 735, 762, 852, 882, 889, 980, 994, 1065, 1143, 1260, 1270, 1278, 1420, 1470, 1491, 1524, 1764, 1778, 1905, 1988, 2130, 2205, 2286, 2485, 2540, 2556, 2667, 2940, 2982, 3195, 3479, 3556, 3810, 4260, 4410, 4445, 4473, 4572, 4970, 5334, 5715, 5964, 6223, 6390, 6958, 7455, 7620, 8001, 8820, 8890, 8946, 9017, 9940, 10437, 10668, 11430, 12446, 12780, 13335, 13916, 14910, 16002, 17395, 17780, 17892, 18034, 18669, 20874, 22365, 22860, 24892, 26670, 27051, 29820, 31115, 31311, 32004, 34790, 36068, 37338, 40005, 41748, 44730, 45085, 52185, 53340, 54102, 56007, 62230, 62622, 63119, 69580, 74676, 80010, 81153, 89460, 90170, 93345, 104370, 108204, 112014, 124460, 125244, 126238, 135255, 156555, 160020, 162306, 180340, 186690, 189357, 208740, 224028, 252476, 270510, 280035, 313110, 315595, 324612, 373380, 378714, 405765, 441833, 541020, 560070, 568071, 626220, 631190, 757428, 811530, 883666, 946785, 1120140, 1136142, 1262380, 1325499, 1623060, 1767332, 1893570, 2209165, 2272284, 2650998, 2840355, 3787140, 3976497, 4418330, 5301996, 5680710, 6627495, 7952994, 8836660, 11361420, 13254990, 15905988, 19882485, 26509980, 39764970, 79529940]

約数ペア:

[(1, 79529940), (2, 39764970), (3, 26509980), (4, 19882485), (5, 15905988), (6, 13254990), (7, 11361420), (9, 8836660), (10, 7952994), (12, 6627495), (14, 5680710), (15, 5301996), (18, 4418330), (20, 3976497), (21, 3787140), (28, 2840355), (30, 2650998), (35, 2272284), (36, 2209165), (42, 1893570), (45, 1767332), (49, 1623060), (60, 1325499), (63, 1262380), (70, 1136142), (71, 1120140), (84, 946785), (90, 883666), (98, 811530), (105, 757428), (126, 631190), (127, 626220), (140, 568071), (142, 560070), (147, 541020), (180, 441833), (196, 405765), (210, 378714), (213, 373380), (245, 324612), (252, 315595), (254, 313110), (284, 280035), (294, 270510), (315, 252476), (355, 224028), (381, 208740), (420, 189357), (426, 186690), (441, 180340), (490, 162306), (497, 160020), (508, 156555), (588, 135255), (630, 126238), (635, 125244), (639, 124460), (710, 112014), (735, 108204), (762, 104370), (852, 93345), (882, 90170), (889, 89460), (980, 81153), (994, 80010), (1065, 74676), (1143, 69580), (1260, 63119), (1270, 62622), (1278, 62230), (1420, 56007), (1470, 54102), (1491, 53340), (1524, 52185), (1764, 45085), (1778, 44730), (1905, 41748), (1988, 40005), (2130, 37338), (2205, 36068), (2286, 34790), (2485, 32004), (2540, 31311), (2556, 31115), (2667, 29820), (2940, 27051), (2982, 26670), (3195, 24892), (3479, 22860), (3556, 22365), (3810, 20874), (4260, 18669), (4410, 18034), (4445, 17892), (4473, 17780), (4572, 17395), (4970, 16002), (5334, 14910), (5715, 13916), (5964, 13335), (6223, 12780), (6390, 12446), (6958, 11430), (7455, 10668), (7620, 10437), (8001, 9940), (8820, 9017), (8890, 8946)]