819840880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 2102722560

約数和(自身を除く): 1282881680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 127, 137, 152, 155, 190, 248, 254, 274, 304, 310, 380, 496, 508, 548, 589, 620, 635, 685, 760, 1016, 1096, 1178, 1240, 1270, 1370, 1520, 2032, 2192, 2356, 2413, 2480, 2540, 2603, 2740, 2945, 3937, 4247, 4712, 4826, 5080, 5206, 5480, 5890, 7874, 8494, 9424, 9652, 10160, 10412, 10960, 11780, 12065, 13015, 15748, 16988, 17399, 19304, 19685, 20824, 21235, 23560, 24130, 26030, 31496, 33976, 34798, 38608, 39370, 41648, 42470, 47120, 48260, 52060, 62992, 67952, 69596, 74803, 78740, 80693, 84940, 86995, 96520, 104120, 139192, 149606, 157480, 161386, 169880, 173990, 193040, 208240, 278384, 299212, 314960, 322772, 330581, 339760, 347980, 374015, 403465, 539369, 598424, 645544, 661162, 695960, 748030, 806930, 1078738, 1196848, 1291088, 1322324, 1391920, 1496060, 1613860, 1652905, 2157476, 2644648, 2696845, 2992120, 3227720, 3305810, 4314952, 5289296, 5393690, 5984240, 6455440, 6611620, 8629904, 10248011, 10787380, 13223240, 20496022, 21574760, 26446480, 40992044, 43149520, 51240055, 81984088, 102480110, 163968176, 204960220, 409920440, 819840880]

約数ペア:

[(1, 819840880), (2, 409920440), (4, 204960220), (5, 163968176), (8, 102480110), (10, 81984088), (16, 51240055), (19, 43149520), (20, 40992044), (31, 26446480), (38, 21574760), (40, 20496022), (62, 13223240), (76, 10787380), (80, 10248011), (95, 8629904), (124, 6611620), (127, 6455440), (137, 5984240), (152, 5393690), (155, 5289296), (190, 4314952), (248, 3305810), (254, 3227720), (274, 2992120), (304, 2696845), (310, 2644648), (380, 2157476), (496, 1652905), (508, 1613860), (548, 1496060), (589, 1391920), (620, 1322324), (635, 1291088), (685, 1196848), (760, 1078738), (1016, 806930), (1096, 748030), (1178, 695960), (1240, 661162), (1270, 645544), (1370, 598424), (1520, 539369), (2032, 403465), (2192, 374015), (2356, 347980), (2413, 339760), (2480, 330581), (2540, 322772), (2603, 314960), (2740, 299212), (2945, 278384), (3937, 208240), (4247, 193040), (4712, 173990), (4826, 169880), (5080, 161386), (5206, 157480), (5480, 149606), (5890, 139192), (7874, 104120), (8494, 96520), (9424, 86995), (9652, 84940), (10160, 80693), (10412, 78740), (10960, 74803), (11780, 69596), (12065, 67952), (13015, 62992), (15748, 52060), (16988, 48260), (17399, 47120), (19304, 42470), (19685, 41648), (20824, 39370), (21235, 38608), (23560, 34798), (24130, 33976), (26030, 31496)]