81827200

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 249671520

約数和(自身を除く): 167844320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 128, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 281, 320, 325, 350, 364, 400, 416, 448, 455, 520, 560, 562, 640, 650, 700, 728, 800, 832, 896, 910, 1040, 1120, 1124, 1300, 1400, 1405, 1456, 1600, 1664, 1820, 1967, 2080, 2240, 2248, 2275, 2600, 2800, 2810, 2912, 3200, 3640, 3653, 3934, 4160, 4480, 4496, 4550, 5200, 5600, 5620, 5824, 7025, 7280, 7306, 7868, 8320, 8992, 9100, 9835, 10400, 11200, 11240, 11648, 14050, 14560, 14612, 15736, 17984, 18200, 18265, 19670, 20800, 22400, 22480, 25571, 28100, 29120, 29224, 31472, 35968, 36400, 36530, 39340, 41600, 44960, 49175, 51142, 56200, 58240, 58448, 62944, 72800, 73060, 78680, 89920, 91325, 98350, 102284, 112400, 116896, 125888, 127855, 145600, 146120, 157360, 179840, 182650, 196700, 204568, 224800, 233792, 251776, 255710, 291200, 292240, 314720, 365300, 393400, 409136, 449600, 467584, 511420, 584480, 629440, 639275, 730600, 786800, 818272, 899200, 1022840, 1168960, 1258880, 1278550, 1461200, 1573600, 1636544, 2045680, 2337920, 2557100, 2922400, 3147200, 3273088, 4091360, 5114200, 5844800, 6294400, 8182720, 10228400, 11689600, 16365440, 20456800, 40913600, 81827200]

約数ペア:

[(1, 81827200), (2, 40913600), (4, 20456800), (5, 16365440), (7, 11689600), (8, 10228400), (10, 8182720), (13, 6294400), (14, 5844800), (16, 5114200), (20, 4091360), (25, 3273088), (26, 3147200), (28, 2922400), (32, 2557100), (35, 2337920), (40, 2045680), (50, 1636544), (52, 1573600), (56, 1461200), (64, 1278550), (65, 1258880), (70, 1168960), (80, 1022840), (91, 899200), (100, 818272), (104, 786800), (112, 730600), (128, 639275), (130, 629440), (140, 584480), (160, 511420), (175, 467584), (182, 449600), (200, 409136), (208, 393400), (224, 365300), (260, 314720), (280, 292240), (281, 291200), (320, 255710), (325, 251776), (350, 233792), (364, 224800), (400, 204568), (416, 196700), (448, 182650), (455, 179840), (520, 157360), (560, 146120), (562, 145600), (640, 127855), (650, 125888), (700, 116896), (728, 112400), (800, 102284), (832, 98350), (896, 91325), (910, 89920), (1040, 78680), (1120, 73060), (1124, 72800), (1300, 62944), (1400, 58448), (1405, 58240), (1456, 56200), (1600, 51142), (1664, 49175), (1820, 44960), (1967, 41600), (2080, 39340), (2240, 36530), (2248, 36400), (2275, 35968), (2600, 31472), (2800, 29224), (2810, 29120), (2912, 28100), (3200, 25571), (3640, 22480), (3653, 22400), (3934, 20800), (4160, 19670), (4480, 18265), (4496, 18200), (4550, 17984), (5200, 15736), (5600, 14612), (5620, 14560), (5824, 14050), (7025, 11648), (7280, 11240), (7306, 11200), (7868, 10400), (8320, 9835), (8992, 9100)]