168127280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 416785824

約数和(自身を除く): 248658544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 272, 340, 362, 680, 683, 724, 905, 1360, 1366, 1448, 1810, 2732, 2896, 3077, 3415, 3620, 5464, 6154, 6830, 7240, 10928, 11611, 12308, 13660, 14480, 15385, 23222, 24616, 27320, 30770, 46444, 49232, 54640, 58055, 61540, 92888, 116110, 123080, 123623, 185776, 232220, 246160, 247246, 464440, 494492, 618115, 928880, 988984, 1236230, 1977968, 2101591, 2472460, 4203182, 4944920, 8406364, 9889840, 10507955, 16812728, 21015910, 33625456, 42031820, 84063640, 168127280]

約数ペア:

[(1, 168127280), (2, 84063640), (4, 42031820), (5, 33625456), (8, 21015910), (10, 16812728), (16, 10507955), (17, 9889840), (20, 8406364), (34, 4944920), (40, 4203182), (68, 2472460), (80, 2101591), (85, 1977968), (136, 1236230), (170, 988984), (181, 928880), (272, 618115), (340, 494492), (362, 464440), (680, 247246), (683, 246160), (724, 232220), (905, 185776), (1360, 123623), (1366, 123080), (1448, 116110), (1810, 92888), (2732, 61540), (2896, 58055), (3077, 54640), (3415, 49232), (3620, 46444), (5464, 30770), (6154, 27320), (6830, 24616), (7240, 23222), (10928, 15385), (11611, 14480), (12308, 13660)]