81692320

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 204664320

約数和(自身を除く): 122972000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 79, 80, 92, 115, 158, 160, 184, 230, 281, 316, 368, 395, 460, 562, 632, 736, 790, 920, 1124, 1264, 1405, 1580, 1817, 1840, 2248, 2528, 2810, 3160, 3634, 3680, 4496, 5620, 6320, 6463, 7268, 8992, 9085, 11240, 12640, 12926, 14536, 18170, 22199, 22480, 25852, 29072, 32315, 36340, 44398, 44960, 51704, 58144, 64630, 72680, 88796, 103408, 110995, 129260, 145360, 177592, 206816, 221990, 258520, 290720, 355184, 443980, 510577, 517040, 710368, 887960, 1021154, 1034080, 1775920, 2042308, 2552885, 3551840, 4084616, 5105770, 8169232, 10211540, 16338464, 20423080, 40846160, 81692320]

約数ペア:

[(1, 81692320), (2, 40846160), (4, 20423080), (5, 16338464), (8, 10211540), (10, 8169232), (16, 5105770), (20, 4084616), (23, 3551840), (32, 2552885), (40, 2042308), (46, 1775920), (79, 1034080), (80, 1021154), (92, 887960), (115, 710368), (158, 517040), (160, 510577), (184, 443980), (230, 355184), (281, 290720), (316, 258520), (368, 221990), (395, 206816), (460, 177592), (562, 145360), (632, 129260), (736, 110995), (790, 103408), (920, 88796), (1124, 72680), (1264, 64630), (1405, 58144), (1580, 51704), (1817, 44960), (1840, 44398), (2248, 36340), (2528, 32315), (2810, 29072), (3160, 25852), (3634, 22480), (3680, 22199), (4496, 18170), (5620, 14536), (6320, 12926), (6463, 12640), (7268, 11240), (8992, 9085)]