420012800

素因数分解:

$2^8\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 216

約数和(自身を含む): 1125344640

約数和(自身を除く): 705331840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 32, 40, 50, 58, 62, 64, 73, 80, 100, 116, 124, 128, 145, 146, 155, 160, 200, 232, 248, 256, 290, 292, 310, 320, 365, 400, 464, 496, 580, 584, 620, 640, 725, 730, 775, 800, 899, 928, 992, 1160, 1168, 1240, 1280, 1450, 1460, 1550, 1600, 1798, 1825, 1856, 1984, 2117, 2263, 2320, 2336, 2480, 2900, 2920, 3100, 3200, 3596, 3650, 3712, 3968, 4234, 4495, 4526, 4640, 4672, 4960, 5800, 5840, 6200, 6400, 7192, 7300, 7424, 7936, 8468, 8990, 9052, 9280, 9344, 9920, 10585, 11315, 11600, 11680, 12400, 14384, 14600, 16936, 17980, 18104, 18560, 18688, 19840, 21170, 22475, 22630, 23200, 23360, 24800, 28768, 29200, 33872, 35960, 36208, 37120, 39680, 42340, 44950, 45260, 46400, 46720, 49600, 52925, 56575, 57536, 58400, 65627, 67744, 71920, 72416, 84680, 89900, 90520, 92800, 93440, 99200, 105850, 113150, 115072, 116800, 131254, 135488, 143840, 144832, 169360, 179800, 181040, 185600, 198400, 211700, 226300, 230144, 233600, 262508, 270976, 287680, 289664, 328135, 338720, 359600, 362080, 423400, 452600, 467200, 525016, 541952, 575360, 579328, 656270, 677440, 719200, 724160, 846800, 905200, 1050032, 1150720, 1312540, 1354880, 1438400, 1448320, 1640675, 1693600, 1810400, 2100064, 2625080, 2709760, 2876800, 2896640, 3281350, 3387200, 3620800, 4200128, 5250160, 5753600, 6562700, 6774400, 7241600, 8400256, 10500320, 13125400, 13548800, 14483200, 16800512, 21000640, 26250800, 42001280, 52501600, 84002560, 105003200, 210006400, 420012800]

約数ペア:

[(1, 420012800), (2, 210006400), (4, 105003200), (5, 84002560), (8, 52501600), (10, 42001280), (16, 26250800), (20, 21000640), (25, 16800512), (29, 14483200), (31, 13548800), (32, 13125400), (40, 10500320), (50, 8400256), (58, 7241600), (62, 6774400), (64, 6562700), (73, 5753600), (80, 5250160), (100, 4200128), (116, 3620800), (124, 3387200), (128, 3281350), (145, 2896640), (146, 2876800), (155, 2709760), (160, 2625080), (200, 2100064), (232, 1810400), (248, 1693600), (256, 1640675), (290, 1448320), (292, 1438400), (310, 1354880), (320, 1312540), (365, 1150720), (400, 1050032), (464, 905200), (496, 846800), (580, 724160), (584, 719200), (620, 677440), (640, 656270), (725, 579328), (730, 575360), (775, 541952), (800, 525016), (899, 467200), (928, 452600), (992, 423400), (1160, 362080), (1168, 359600), (1240, 338720), (1280, 328135), (1450, 289664), (1460, 287680), (1550, 270976), (1600, 262508), (1798, 233600), (1825, 230144), (1856, 226300), (1984, 211700), (2117, 198400), (2263, 185600), (2320, 181040), (2336, 179800), (2480, 169360), (2900, 144832), (2920, 143840), (3100, 135488), (3200, 131254), (3596, 116800), (3650, 115072), (3712, 113150), (3968, 105850), (4234, 99200), (4495, 93440), (4526, 92800), (4640, 90520), (4672, 89900), (4960, 84680), (5800, 72416), (5840, 71920), (6200, 67744), (6400, 65627), (7192, 58400), (7300, 57536), (7424, 56575), (7936, 52925), (8468, 49600), (8990, 46720), (9052, 46400), (9280, 45260), (9344, 44950), (9920, 42340), (10585, 39680), (11315, 37120), (11600, 36208), (11680, 35960), (12400, 33872), (14384, 29200), (14600, 28768), (16936, 24800), (17980, 23360), (18104, 23200), (18560, 22630), (18688, 22475), (19840, 21170)]