864746240

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 2313848880

約数和(自身を除く): 1449102640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 37, 38, 40, 62, 64, 74, 76, 80, 95, 124, 128, 148, 152, 155, 160, 185, 190, 248, 256, 296, 304, 310, 320, 370, 380, 496, 589, 592, 608, 620, 640, 703, 740, 760, 961, 992, 1147, 1178, 1184, 1216, 1240, 1280, 1406, 1480, 1520, 1922, 1984, 2294, 2356, 2368, 2432, 2480, 2812, 2945, 2960, 3040, 3515, 3844, 3968, 4588, 4712, 4736, 4805, 4864, 4960, 5624, 5735, 5890, 5920, 6080, 7030, 7688, 7936, 9176, 9424, 9472, 9610, 9920, 11248, 11470, 11780, 11840, 12160, 14060, 15376, 18259, 18352, 18848, 19220, 19840, 21793, 22496, 22940, 23560, 23680, 24320, 28120, 30752, 35557, 36518, 36704, 37696, 38440, 39680, 43586, 44992, 45880, 47120, 47360, 56240, 61504, 71114, 73036, 73408, 75392, 76880, 87172, 89984, 91295, 91760, 94240, 108965, 112480, 123008, 142228, 146072, 146816, 150784, 153760, 174344, 177785, 179968, 182590, 183520, 188480, 217930, 224960, 246016, 284456, 292144, 293632, 307520, 348688, 355570, 365180, 367040, 376960, 435860, 449920, 568912, 584288, 615040, 675583, 697376, 711140, 730360, 734080, 753920, 871720, 899840, 1137824, 1168576, 1230080, 1351166, 1394752, 1422280, 1460720, 1468160, 1743440, 2275648, 2337152, 2702332, 2789504, 2844560, 2921440, 3377915, 3486880, 4551296, 4674304, 5404664, 5579008, 5689120, 5842880, 6755830, 6973760, 9102592, 10809328, 11378240, 11685760, 13511660, 13947520, 21618656, 22756480, 23371520, 27023320, 27895040, 43237312, 45512960, 54046640, 86474624, 108093280, 172949248, 216186560, 432373120, 864746240]

約数ペア:

[(1, 864746240), (2, 432373120), (4, 216186560), (5, 172949248), (8, 108093280), (10, 86474624), (16, 54046640), (19, 45512960), (20, 43237312), (31, 27895040), (32, 27023320), (37, 23371520), (38, 22756480), (40, 21618656), (62, 13947520), (64, 13511660), (74, 11685760), (76, 11378240), (80, 10809328), (95, 9102592), (124, 6973760), (128, 6755830), (148, 5842880), (152, 5689120), (155, 5579008), (160, 5404664), (185, 4674304), (190, 4551296), (248, 3486880), (256, 3377915), (296, 2921440), (304, 2844560), (310, 2789504), (320, 2702332), (370, 2337152), (380, 2275648), (496, 1743440), (589, 1468160), (592, 1460720), (608, 1422280), (620, 1394752), (640, 1351166), (703, 1230080), (740, 1168576), (760, 1137824), (961, 899840), (992, 871720), (1147, 753920), (1178, 734080), (1184, 730360), (1216, 711140), (1240, 697376), (1280, 675583), (1406, 615040), (1480, 584288), (1520, 568912), (1922, 449920), (1984, 435860), (2294, 376960), (2356, 367040), (2368, 365180), (2432, 355570), (2480, 348688), (2812, 307520), (2945, 293632), (2960, 292144), (3040, 284456), (3515, 246016), (3844, 224960), (3968, 217930), (4588, 188480), (4712, 183520), (4736, 182590), (4805, 179968), (4864, 177785), (4960, 174344), (5624, 153760), (5735, 150784), (5890, 146816), (5920, 146072), (6080, 142228), (7030, 123008), (7688, 112480), (7936, 108965), (9176, 94240), (9424, 91760), (9472, 91295), (9610, 89984), (9920, 87172), (11248, 76880), (11470, 75392), (11780, 73408), (11840, 73036), (12160, 71114), (14060, 61504), (15376, 56240), (18259, 47360), (18352, 47120), (18848, 45880), (19220, 44992), (19840, 43586), (21793, 39680), (22496, 38440), (22940, 37696), (23560, 36704), (23680, 36518), (24320, 35557), (28120, 30752)]