248628800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 168

約数和(自身を含む): 710549760

約数和(自身を除く): 461920960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 79, 80, 100, 112, 140, 158, 160, 175, 200, 224, 280, 281, 316, 320, 350, 395, 400, 448, 553, 560, 562, 632, 700, 790, 800, 1106, 1120, 1124, 1264, 1400, 1405, 1580, 1600, 1967, 1975, 2212, 2240, 2248, 2528, 2765, 2800, 2810, 3160, 3934, 3950, 4424, 4496, 5056, 5530, 5600, 5620, 6320, 7025, 7868, 7900, 8848, 8992, 9835, 11060, 11200, 11240, 12640, 13825, 14050, 15736, 15800, 17696, 17984, 19670, 22120, 22199, 22480, 25280, 27650, 28100, 31472, 31600, 35392, 39340, 44240, 44398, 44960, 49175, 55300, 56200, 62944, 63200, 78680, 88480, 88796, 89920, 98350, 110600, 110995, 112400, 125888, 126400, 155393, 157360, 176960, 177592, 196700, 221200, 221990, 224800, 310786, 314720, 355184, 393400, 442400, 443980, 449600, 554975, 621572, 629440, 710368, 776965, 786800, 884800, 887960, 1109950, 1243144, 1420736, 1553930, 1573600, 1775920, 2219900, 2486288, 3107860, 3147200, 3551840, 3884825, 4439800, 4972576, 6215720, 7103680, 7769650, 8879600, 9945152, 12431440, 15539300, 17759200, 24862880, 31078600, 35518400, 49725760, 62157200, 124314400, 248628800]

約数ペア:

[(1, 248628800), (2, 124314400), (4, 62157200), (5, 49725760), (7, 35518400), (8, 31078600), (10, 24862880), (14, 17759200), (16, 15539300), (20, 12431440), (25, 9945152), (28, 8879600), (32, 7769650), (35, 7103680), (40, 6215720), (50, 4972576), (56, 4439800), (64, 3884825), (70, 3551840), (79, 3147200), (80, 3107860), (100, 2486288), (112, 2219900), (140, 1775920), (158, 1573600), (160, 1553930), (175, 1420736), (200, 1243144), (224, 1109950), (280, 887960), (281, 884800), (316, 786800), (320, 776965), (350, 710368), (395, 629440), (400, 621572), (448, 554975), (553, 449600), (560, 443980), (562, 442400), (632, 393400), (700, 355184), (790, 314720), (800, 310786), (1106, 224800), (1120, 221990), (1124, 221200), (1264, 196700), (1400, 177592), (1405, 176960), (1580, 157360), (1600, 155393), (1967, 126400), (1975, 125888), (2212, 112400), (2240, 110995), (2248, 110600), (2528, 98350), (2765, 89920), (2800, 88796), (2810, 88480), (3160, 78680), (3934, 63200), (3950, 62944), (4424, 56200), (4496, 55300), (5056, 49175), (5530, 44960), (5600, 44398), (5620, 44240), (6320, 39340), (7025, 35392), (7868, 31600), (7900, 31472), (8848, 28100), (8992, 27650), (9835, 25280), (11060, 22480), (11200, 22199), (11240, 22120), (12640, 19670), (13825, 17984), (14050, 17696), (15736, 15800)]