8064180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 24845184

約数和(自身を除く): 16781004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 631, 639, 710, 852, 1065, 1262, 1278, 1420, 1893, 2130, 2524, 2556, 3155, 3195, 3786, 4260, 5679, 6310, 6390, 7572, 9465, 11358, 12620, 12780, 18930, 22716, 28395, 37860, 44801, 56790, 89602, 113580, 134403, 179204, 224005, 268806, 403209, 448010, 537612, 672015, 806418, 896020, 1344030, 1612836, 2016045, 2688060, 4032090, 8064180]

約数ペア:

[(1, 8064180), (2, 4032090), (3, 2688060), (4, 2016045), (5, 1612836), (6, 1344030), (9, 896020), (10, 806418), (12, 672015), (15, 537612), (18, 448010), (20, 403209), (30, 268806), (36, 224005), (45, 179204), (60, 134403), (71, 113580), (90, 89602), (142, 56790), (180, 44801), (213, 37860), (284, 28395), (355, 22716), (426, 18930), (631, 12780), (639, 12620), (710, 11358), (852, 9465), (1065, 7572), (1262, 6390), (1278, 6310), (1420, 5679), (1893, 4260), (2130, 3786), (2524, 3195), (2556, 3155)]