81055020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 235146240

約数和(自身を除く): 154091220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 71, 106, 142, 159, 212, 213, 265, 284, 318, 355, 359, 426, 530, 636, 710, 718, 795, 852, 1060, 1065, 1077, 1420, 1436, 1590, 1795, 2130, 2154, 3180, 3590, 3763, 4260, 4308, 5385, 7180, 7526, 10770, 11289, 15052, 18815, 19027, 21540, 22578, 25489, 37630, 38054, 45156, 50978, 56445, 57081, 75260, 76108, 76467, 95135, 101956, 112890, 114162, 127445, 152934, 190270, 225780, 228324, 254890, 285405, 305868, 380540, 382335, 509780, 570810, 764670, 1141620, 1350917, 1529340, 2701834, 4052751, 5403668, 6754585, 8105502, 13509170, 16211004, 20263755, 27018340, 40527510, 81055020]

約数ペア:

[(1, 81055020), (2, 40527510), (3, 27018340), (4, 20263755), (5, 16211004), (6, 13509170), (10, 8105502), (12, 6754585), (15, 5403668), (20, 4052751), (30, 2701834), (53, 1529340), (60, 1350917), (71, 1141620), (106, 764670), (142, 570810), (159, 509780), (212, 382335), (213, 380540), (265, 305868), (284, 285405), (318, 254890), (355, 228324), (359, 225780), (426, 190270), (530, 152934), (636, 127445), (710, 114162), (718, 112890), (795, 101956), (852, 95135), (1060, 76467), (1065, 76108), (1077, 75260), (1420, 57081), (1436, 56445), (1590, 50978), (1795, 45156), (2130, 38054), (2154, 37630), (3180, 25489), (3590, 22578), (3763, 21540), (4260, 19027), (4308, 18815), (5385, 15052), (7180, 11289), (7526, 10770)]