81355968

素因数分解:

$2^6\times 3^3\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 168

約数和(自身を含む): 252831600

約数和(自身を除く): 171475632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 89, 92, 96, 108, 138, 144, 178, 184, 192, 207, 216, 267, 276, 288, 356, 368, 414, 432, 529, 534, 552, 576, 621, 712, 736, 801, 828, 864, 1058, 1068, 1104, 1242, 1424, 1472, 1587, 1602, 1656, 1728, 2047, 2116, 2136, 2208, 2403, 2484, 2848, 3174, 3204, 3312, 4094, 4232, 4272, 4416, 4761, 4806, 4968, 5696, 6141, 6348, 6408, 6624, 8188, 8464, 8544, 9522, 9612, 9936, 12282, 12696, 12816, 13248, 14283, 16376, 16928, 17088, 18423, 19044, 19224, 19872, 24564, 25392, 25632, 28566, 32752, 33856, 36846, 38088, 38448, 39744, 47081, 49128, 50784, 51264, 55269, 57132, 65504, 73692, 76176, 76896, 94162, 98256, 101568, 110538, 114264, 131008, 141243, 147384, 152352, 153792, 188324, 196512, 221076, 228528, 282486, 294768, 304704, 376648, 393024, 423729, 442152, 457056, 564972, 589536, 753296, 847458, 884304, 914112, 1129944, 1179072, 1271187, 1506592, 1694916, 1768608, 2259888, 2542374, 3013184, 3389832, 3537216, 4519776, 5084748, 6779664, 9039552, 10169496, 13559328, 20338992, 27118656, 40677984, 81355968]

約数ペア:

[(1, 81355968), (2, 40677984), (3, 27118656), (4, 20338992), (6, 13559328), (8, 10169496), (9, 9039552), (12, 6779664), (16, 5084748), (18, 4519776), (23, 3537216), (24, 3389832), (27, 3013184), (32, 2542374), (36, 2259888), (46, 1768608), (48, 1694916), (54, 1506592), (64, 1271187), (69, 1179072), (72, 1129944), (89, 914112), (92, 884304), (96, 847458), (108, 753296), (138, 589536), (144, 564972), (178, 457056), (184, 442152), (192, 423729), (207, 393024), (216, 376648), (267, 304704), (276, 294768), (288, 282486), (356, 228528), (368, 221076), (414, 196512), (432, 188324), (529, 153792), (534, 152352), (552, 147384), (576, 141243), (621, 131008), (712, 114264), (736, 110538), (801, 101568), (828, 98256), (864, 94162), (1058, 76896), (1068, 76176), (1104, 73692), (1242, 65504), (1424, 57132), (1472, 55269), (1587, 51264), (1602, 50784), (1656, 49128), (1728, 47081), (2047, 39744), (2116, 38448), (2136, 38088), (2208, 36846), (2403, 33856), (2484, 32752), (2848, 28566), (3174, 25632), (3204, 25392), (3312, 24564), (4094, 19872), (4232, 19224), (4272, 19044), (4416, 18423), (4761, 17088), (4806, 16928), (4968, 16376), (5696, 14283), (6141, 13248), (6348, 12816), (6408, 12696), (6624, 12282), (8188, 9936), (8464, 9612), (8544, 9522)]