81730320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48649}}^1$

素因数の和:48672

約数の個数: 80

約数和(自身を含む): 289564800

約数和(自身を除く): 207834480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48649, 97298, 145947, 194596, 243245, 291894, 340543, 389192, 486490, 583788, 681086, 729735, 778384, 972980, 1021629, 1167576, 1362172, 1459470, 1702715, 1945960, 2043258, 2335152, 2724344, 2918940, 3405430, 3891920, 4086516, 5108145, 5448688, 5837880, 6810860, 8173032, 10216290, 11675760, 13621720, 16346064, 20432580, 27243440, 40865160, 81730320]

約数ペア:

[(1, 81730320), (2, 40865160), (3, 27243440), (4, 20432580), (5, 16346064), (6, 13621720), (7, 11675760), (8, 10216290), (10, 8173032), (12, 6810860), (14, 5837880), (15, 5448688), (16, 5108145), (20, 4086516), (21, 3891920), (24, 3405430), (28, 2918940), (30, 2724344), (35, 2335152), (40, 2043258), (42, 1945960), (48, 1702715), (56, 1459470), (60, 1362172), (70, 1167576), (80, 1021629), (84, 972980), (105, 778384), (112, 729735), (120, 681086), (140, 583788), (168, 486490), (210, 389192), (240, 340543), (280, 291894), (336, 243245), (420, 194596), (560, 145947), (840, 97298), (1680, 48649)]