18207720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:776

約数の個数: 128

約数和(自身を含む): 63417600

約数和(自身を除く): 45209880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 733, 828, 920, 1035, 1080, 1242, 1380, 1466, 1656, 2070, 2199, 2484, 2760, 2932, 3105, 3665, 4140, 4398, 4968, 5864, 6210, 6597, 7330, 8280, 8796, 10995, 12420, 13194, 14660, 16859, 17592, 19791, 21990, 24840, 26388, 29320, 32985, 33718, 39582, 43980, 50577, 52776, 65970, 67436, 79164, 84295, 87960, 98955, 101154, 131940, 134872, 151731, 158328, 168590, 197910, 202308, 252885, 263880, 303462, 337180, 395820, 404616, 455193, 505770, 606924, 674360, 758655, 791640, 910386, 1011540, 1213848, 1517310, 1820772, 2023080, 2275965, 3034620, 3641544, 4551930, 6069240, 9103860, 18207720]

約数ペア:

[(1, 18207720), (2, 9103860), (3, 6069240), (4, 4551930), (5, 3641544), (6, 3034620), (8, 2275965), (9, 2023080), (10, 1820772), (12, 1517310), (15, 1213848), (18, 1011540), (20, 910386), (23, 791640), (24, 758655), (27, 674360), (30, 606924), (36, 505770), (40, 455193), (45, 404616), (46, 395820), (54, 337180), (60, 303462), (69, 263880), (72, 252885), (90, 202308), (92, 197910), (108, 168590), (115, 158328), (120, 151731), (135, 134872), (138, 131940), (180, 101154), (184, 98955), (207, 87960), (216, 84295), (230, 79164), (270, 67436), (276, 65970), (345, 52776), (360, 50577), (414, 43980), (460, 39582), (540, 33718), (552, 32985), (621, 29320), (690, 26388), (733, 24840), (828, 21990), (920, 19791), (1035, 17592), (1080, 16859), (1242, 14660), (1380, 13194), (1466, 12420), (1656, 10995), (2070, 8796), (2199, 8280), (2484, 7330), (2760, 6597), (2932, 6210), (3105, 5864), (3665, 4968), (4140, 4398)]