78903720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^3\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 320

約数和(自身を含む): 313632000

約数和(自身を除く): 234728280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 71, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 142, 147, 162, 168, 180, 189, 196, 210, 213, 216, 245, 252, 270, 280, 284, 294, 315, 324, 343, 355, 360, 378, 392, 405, 420, 426, 441, 490, 497, 504, 540, 567, 568, 588, 630, 639, 648, 686, 710, 735, 756, 810, 840, 852, 882, 945, 980, 994, 1029, 1065, 1080, 1134, 1176, 1260, 1278, 1323, 1372, 1420, 1470, 1491, 1512, 1620, 1704, 1715, 1764, 1890, 1917, 1960, 1988, 2058, 2130, 2205, 2268, 2485, 2520, 2556, 2646, 2744, 2835, 2840, 2940, 2982, 3087, 3195, 3240, 3430, 3479, 3528, 3780, 3834, 3969, 3976, 4116, 4260, 4410, 4473, 4536, 4970, 5112, 5145, 5292, 5670, 5751, 5880, 5964, 6174, 6390, 6615, 6860, 6958, 7455, 7560, 7668, 7938, 8232, 8520, 8820, 8946, 9261, 9585, 9940, 10290, 10437, 10584, 11340, 11502, 11928, 12348, 12780, 13230, 13419, 13720, 13916, 14910, 15336, 15435, 15876, 17395, 17640, 17892, 18522, 19170, 19845, 19880, 20580, 20874, 22365, 22680, 23004, 24353, 24696, 25560, 26460, 26838, 27783, 27832, 28755, 29820, 30870, 31311, 31752, 34790, 35784, 37044, 38340, 39690, 40257, 41160, 41748, 44730, 46008, 46305, 48706, 52185, 52920, 53676, 55566, 57510, 59640, 61740, 62622, 67095, 69580, 73059, 74088, 76680, 79380, 80514, 83496, 89460, 92610, 93933, 97412, 104370, 107352, 111132, 115020, 121765, 123480, 125244, 134190, 138915, 139160, 146118, 156555, 158760, 161028, 178920, 185220, 187866, 194824, 201285, 208740, 219177, 222264, 230040, 243530, 250488, 268380, 277830, 281799, 292236, 313110, 322056, 365295, 370440, 375732, 402570, 417480, 438354, 469665, 487060, 536760, 555660, 563598, 584472, 626220, 657531, 730590, 751464, 805140, 876708, 939330, 974120, 1095885, 1111320, 1127196, 1252440, 1315062, 1408995, 1461180, 1610280, 1753416, 1878660, 1972593, 2191770, 2254392, 2630124, 2817990, 2922360, 3287655, 3757320, 3945186, 4383540, 5260248, 5635980, 6575310, 7890372, 8767080, 9862965, 11271960, 13150620, 15780744, 19725930, 26301240, 39451860, 78903720]

約数ペア:

[(1, 78903720), (2, 39451860), (3, 26301240), (4, 19725930), (5, 15780744), (6, 13150620), (7, 11271960), (8, 9862965), (9, 8767080), (10, 7890372), (12, 6575310), (14, 5635980), (15, 5260248), (18, 4383540), (20, 3945186), (21, 3757320), (24, 3287655), (27, 2922360), (28, 2817990), (30, 2630124), (35, 2254392), (36, 2191770), (40, 1972593), (42, 1878660), (45, 1753416), (49, 1610280), (54, 1461180), (56, 1408995), (60, 1315062), (63, 1252440), (70, 1127196), (71, 1111320), (72, 1095885), (81, 974120), (84, 939330), (90, 876708), (98, 805140), (105, 751464), (108, 730590), (120, 657531), (126, 626220), (135, 584472), (140, 563598), (142, 555660), (147, 536760), (162, 487060), (168, 469665), (180, 438354), (189, 417480), (196, 402570), (210, 375732), (213, 370440), (216, 365295), (245, 322056), (252, 313110), (270, 292236), (280, 281799), (284, 277830), (294, 268380), (315, 250488), (324, 243530), (343, 230040), (355, 222264), (360, 219177), (378, 208740), (392, 201285), (405, 194824), (420, 187866), (426, 185220), (441, 178920), (490, 161028), (497, 158760), (504, 156555), (540, 146118), (567, 139160), (568, 138915), (588, 134190), (630, 125244), (639, 123480), (648, 121765), (686, 115020), (710, 111132), (735, 107352), (756, 104370), (810, 97412), (840, 93933), (852, 92610), (882, 89460), (945, 83496), (980, 80514), (994, 79380), (1029, 76680), (1065, 74088), (1080, 73059), (1134, 69580), (1176, 67095), (1260, 62622), (1278, 61740), (1323, 59640), (1372, 57510), (1420, 55566), (1470, 53676), (1491, 52920), (1512, 52185), (1620, 48706), (1704, 46305), (1715, 46008), (1764, 44730), (1890, 41748), (1917, 41160), (1960, 40257), (1988, 39690), (2058, 38340), (2130, 37044), (2205, 35784), (2268, 34790), (2485, 31752), (2520, 31311), (2556, 30870), (2646, 29820), (2744, 28755), (2835, 27832), (2840, 27783), (2940, 26838), (2982, 26460), (3087, 25560), (3195, 24696), (3240, 24353), (3430, 23004), (3479, 22680), (3528, 22365), (3780, 20874), (3834, 20580), (3969, 19880), (3976, 19845), (4116, 19170), (4260, 18522), (4410, 17892), (4473, 17640), (4536, 17395), (4970, 15876), (5112, 15435), (5145, 15336), (5292, 14910), (5670, 13916), (5751, 13720), (5880, 13419), (5964, 13230), (6174, 12780), (6390, 12348), (6615, 11928), (6860, 11502), (6958, 11340), (7455, 10584), (7560, 10437), (7668, 10290), (7938, 9940), (8232, 9585), (8520, 9261), (8820, 8946)]