78789720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28547}}^1$

素因数の和:28584

約数の個数: 64

約数和(自身を含む): 246654720

約数和(自身を除く): 167865000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 28547, 57094, 85641, 114188, 142735, 171282, 228376, 285470, 342564, 428205, 570940, 656581, 685128, 856410, 1141880, 1313162, 1712820, 1969743, 2626324, 3282905, 3425640, 3939486, 5252648, 6565810, 7878972, 9848715, 13131620, 15757944, 19697430, 26263240, 39394860, 78789720]

約数ペア:

[(1, 78789720), (2, 39394860), (3, 26263240), (4, 19697430), (5, 15757944), (6, 13131620), (8, 9848715), (10, 7878972), (12, 6565810), (15, 5252648), (20, 3939486), (23, 3425640), (24, 3282905), (30, 2626324), (40, 1969743), (46, 1712820), (60, 1313162), (69, 1141880), (92, 856410), (115, 685128), (120, 656581), (138, 570940), (184, 428205), (230, 342564), (276, 285470), (345, 228376), (460, 171282), (552, 142735), (690, 114188), (920, 85641), (1380, 57094), (2760, 28547)]