16579920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 59996160

約数和(自身を除く): 43416240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 139, 140, 142, 168, 210, 213, 240, 278, 280, 284, 336, 355, 417, 420, 426, 497, 556, 560, 568, 695, 710, 834, 840, 852, 973, 994, 1065, 1112, 1136, 1390, 1420, 1491, 1668, 1680, 1704, 1946, 1988, 2085, 2130, 2224, 2485, 2780, 2840, 2919, 2982, 3336, 3408, 3892, 3976, 4170, 4260, 4865, 4970, 5560, 5680, 5838, 5964, 6672, 7455, 7784, 7952, 8340, 8520, 9730, 9869, 9940, 11120, 11676, 11928, 14595, 14910, 15568, 16680, 17040, 19460, 19738, 19880, 23352, 23856, 29190, 29607, 29820, 33360, 38920, 39476, 39760, 46704, 49345, 58380, 59214, 59640, 69083, 77840, 78952, 98690, 116760, 118428, 119280, 138166, 148035, 157904, 197380, 207249, 233520, 236856, 276332, 296070, 345415, 394760, 414498, 473712, 552664, 592140, 690830, 789520, 828996, 1036245, 1105328, 1184280, 1381660, 1657992, 2072490, 2368560, 2763320, 3315984, 4144980, 5526640, 8289960, 16579920]

約数ペア:

[(1, 16579920), (2, 8289960), (3, 5526640), (4, 4144980), (5, 3315984), (6, 2763320), (7, 2368560), (8, 2072490), (10, 1657992), (12, 1381660), (14, 1184280), (15, 1105328), (16, 1036245), (20, 828996), (21, 789520), (24, 690830), (28, 592140), (30, 552664), (35, 473712), (40, 414498), (42, 394760), (48, 345415), (56, 296070), (60, 276332), (70, 236856), (71, 233520), (80, 207249), (84, 197380), (105, 157904), (112, 148035), (120, 138166), (139, 119280), (140, 118428), (142, 116760), (168, 98690), (210, 78952), (213, 77840), (240, 69083), (278, 59640), (280, 59214), (284, 58380), (336, 49345), (355, 46704), (417, 39760), (420, 39476), (426, 38920), (497, 33360), (556, 29820), (560, 29607), (568, 29190), (695, 23856), (710, 23352), (834, 19880), (840, 19738), (852, 19460), (973, 17040), (994, 16680), (1065, 15568), (1112, 14910), (1136, 14595), (1390, 11928), (1420, 11676), (1491, 11120), (1668, 9940), (1680, 9869), (1704, 9730), (1946, 8520), (1988, 8340), (2085, 7952), (2130, 7784), (2224, 7455), (2485, 6672), (2780, 5964), (2840, 5838), (2919, 5680), (2982, 5560), (3336, 4970), (3408, 4865), (3892, 4260), (3976, 4170)]