81033720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9511}}^1$

素因数の和:9596

約数の個数: 64

約数和(自身を含む): 246551040

約数和(自身を除く): 165517320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 9511, 19022, 28533, 38044, 47555, 57066, 76088, 95110, 114132, 142665, 190220, 228264, 285330, 380440, 570660, 675281, 1141320, 1350562, 2025843, 2701124, 3376405, 4051686, 5402248, 6752810, 8103372, 10129215, 13505620, 16206744, 20258430, 27011240, 40516860, 81033720]

約数ペア:

[(1, 81033720), (2, 40516860), (3, 27011240), (4, 20258430), (5, 16206744), (6, 13505620), (8, 10129215), (10, 8103372), (12, 6752810), (15, 5402248), (20, 4051686), (24, 3376405), (30, 2701124), (40, 2025843), (60, 1350562), (71, 1141320), (120, 675281), (142, 570660), (213, 380440), (284, 285330), (355, 228264), (426, 190220), (568, 142665), (710, 114132), (852, 95110), (1065, 76088), (1420, 57066), (1704, 47555), (2130, 38044), (2840, 28533), (4260, 19022), (8520, 9511)]