78323040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 144

約数和(自身を含む): 270270000

約数和(自身を除く): 191946960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 499, 545, 654, 720, 872, 981, 998, 1090, 1308, 1440, 1497, 1635, 1744, 1962, 1996, 2180, 2495, 2616, 2994, 3270, 3488, 3924, 3992, 4360, 4491, 4905, 4990, 5232, 5988, 6540, 7485, 7848, 7984, 8720, 8982, 9810, 9980, 10464, 11976, 13080, 14970, 15696, 15968, 17440, 17964, 19620, 19960, 22455, 23952, 26160, 29940, 31392, 35928, 39240, 39920, 44910, 47904, 52320, 54391, 59880, 71856, 78480, 79840, 89820, 108782, 119760, 143712, 156960, 163173, 179640, 217564, 239520, 271955, 326346, 359280, 435128, 489519, 543910, 652692, 718560, 815865, 870256, 979038, 1087820, 1305384, 1631730, 1740512, 1958076, 2175640, 2447595, 2610768, 3263460, 3916152, 4351280, 4895190, 5221536, 6526920, 7832304, 8702560, 9790380, 13053840, 15664608, 19580760, 26107680, 39161520, 78323040]

約数ペア:

[(1, 78323040), (2, 39161520), (3, 26107680), (4, 19580760), (5, 15664608), (6, 13053840), (8, 9790380), (9, 8702560), (10, 7832304), (12, 6526920), (15, 5221536), (16, 4895190), (18, 4351280), (20, 3916152), (24, 3263460), (30, 2610768), (32, 2447595), (36, 2175640), (40, 1958076), (45, 1740512), (48, 1631730), (60, 1305384), (72, 1087820), (80, 979038), (90, 870256), (96, 815865), (109, 718560), (120, 652692), (144, 543910), (160, 489519), (180, 435128), (218, 359280), (240, 326346), (288, 271955), (327, 239520), (360, 217564), (436, 179640), (480, 163173), (499, 156960), (545, 143712), (654, 119760), (720, 108782), (872, 89820), (981, 79840), (998, 78480), (1090, 71856), (1308, 59880), (1440, 54391), (1497, 52320), (1635, 47904), (1744, 44910), (1962, 39920), (1996, 39240), (2180, 35928), (2495, 31392), (2616, 29940), (2994, 26160), (3270, 23952), (3488, 22455), (3924, 19960), (3992, 19620), (4360, 17964), (4491, 17440), (4905, 15968), (4990, 15696), (5232, 14970), (5988, 13080), (6540, 11976), (7485, 10464), (7848, 9980), (7984, 9810), (8720, 8982)]