215721600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 192

約数和(自身を含む): 742184640

約数和(自身を除く): 526463040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 128, 138, 150, 160, 184, 192, 200, 230, 240, 276, 300, 320, 345, 368, 384, 400, 460, 480, 552, 575, 600, 640, 690, 736, 800, 920, 960, 977, 1104, 1150, 1200, 1380, 1472, 1600, 1725, 1840, 1920, 1954, 2208, 2300, 2400, 2760, 2931, 2944, 3200, 3450, 3680, 3908, 4416, 4600, 4800, 4885, 5520, 5862, 6900, 7360, 7816, 8832, 9200, 9600, 9770, 11040, 11724, 13800, 14655, 14720, 15632, 18400, 19540, 22080, 22471, 23448, 24425, 27600, 29310, 31264, 36800, 39080, 44160, 44942, 46896, 48850, 55200, 58620, 62528, 67413, 73275, 73600, 78160, 89884, 93792, 97700, 110400, 112355, 117240, 125056, 134826, 146550, 156320, 179768, 187584, 195400, 220800, 224710, 234480, 269652, 293100, 312640, 337065, 359536, 375168, 390800, 449420, 468960, 539304, 561775, 586200, 625280, 674130, 719072, 781600, 898840, 937920, 1078608, 1123550, 1172400, 1348260, 1438144, 1563200, 1685325, 1797680, 1875840, 2157216, 2247100, 2344800, 2696520, 2876288, 3126400, 3370650, 3595360, 4314432, 4494200, 4689600, 5393040, 6741300, 7190720, 8628864, 8988400, 9379200, 10786080, 13482600, 14381440, 17976800, 21572160, 26965200, 35953600, 43144320, 53930400, 71907200, 107860800, 215721600]

約数ペア:

[(1, 215721600), (2, 107860800), (3, 71907200), (4, 53930400), (5, 43144320), (6, 35953600), (8, 26965200), (10, 21572160), (12, 17976800), (15, 14381440), (16, 13482600), (20, 10786080), (23, 9379200), (24, 8988400), (25, 8628864), (30, 7190720), (32, 6741300), (40, 5393040), (46, 4689600), (48, 4494200), (50, 4314432), (60, 3595360), (64, 3370650), (69, 3126400), (75, 2876288), (80, 2696520), (92, 2344800), (96, 2247100), (100, 2157216), (115, 1875840), (120, 1797680), (128, 1685325), (138, 1563200), (150, 1438144), (160, 1348260), (184, 1172400), (192, 1123550), (200, 1078608), (230, 937920), (240, 898840), (276, 781600), (300, 719072), (320, 674130), (345, 625280), (368, 586200), (384, 561775), (400, 539304), (460, 468960), (480, 449420), (552, 390800), (575, 375168), (600, 359536), (640, 337065), (690, 312640), (736, 293100), (800, 269652), (920, 234480), (960, 224710), (977, 220800), (1104, 195400), (1150, 187584), (1200, 179768), (1380, 156320), (1472, 146550), (1600, 134826), (1725, 125056), (1840, 117240), (1920, 112355), (1954, 110400), (2208, 97700), (2300, 93792), (2400, 89884), (2760, 78160), (2931, 73600), (2944, 73275), (3200, 67413), (3450, 62528), (3680, 58620), (3908, 55200), (4416, 48850), (4600, 46896), (4800, 44942), (4885, 44160), (5520, 39080), (5862, 36800), (6900, 31264), (7360, 29310), (7816, 27600), (8832, 24425), (9200, 23448), (9600, 22471), (9770, 22080), (11040, 19540), (11724, 18400), (13800, 15632), (14655, 14720)]