8289960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 29030400

約数和(自身を除く): 20740440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 139, 140, 142, 168, 210, 213, 278, 280, 284, 355, 417, 420, 426, 497, 556, 568, 695, 710, 834, 840, 852, 973, 994, 1065, 1112, 1390, 1420, 1491, 1668, 1704, 1946, 1988, 2085, 2130, 2485, 2780, 2840, 2919, 2982, 3336, 3892, 3976, 4170, 4260, 4865, 4970, 5560, 5838, 5964, 7455, 7784, 8340, 8520, 9730, 9869, 9940, 11676, 11928, 14595, 14910, 16680, 19460, 19738, 19880, 23352, 29190, 29607, 29820, 38920, 39476, 49345, 58380, 59214, 59640, 69083, 78952, 98690, 116760, 118428, 138166, 148035, 197380, 207249, 236856, 276332, 296070, 345415, 394760, 414498, 552664, 592140, 690830, 828996, 1036245, 1184280, 1381660, 1657992, 2072490, 2763320, 4144980, 8289960]

約数ペア:

[(1, 8289960), (2, 4144980), (3, 2763320), (4, 2072490), (5, 1657992), (6, 1381660), (7, 1184280), (8, 1036245), (10, 828996), (12, 690830), (14, 592140), (15, 552664), (20, 414498), (21, 394760), (24, 345415), (28, 296070), (30, 276332), (35, 236856), (40, 207249), (42, 197380), (56, 148035), (60, 138166), (70, 118428), (71, 116760), (84, 98690), (105, 78952), (120, 69083), (139, 59640), (140, 59214), (142, 58380), (168, 49345), (210, 39476), (213, 38920), (278, 29820), (280, 29607), (284, 29190), (355, 23352), (417, 19880), (420, 19738), (426, 19460), (497, 16680), (556, 14910), (568, 14595), (695, 11928), (710, 11676), (834, 9940), (840, 9869), (852, 9730), (973, 8520), (994, 8340), (1065, 7784), (1112, 7455), (1390, 5964), (1420, 5838), (1491, 5560), (1668, 4970), (1704, 4865), (1946, 4260), (1988, 4170), (2085, 3976), (2130, 3892), (2485, 3336), (2780, 2982), (2840, 2919)]