280617840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 1009176480

約数和(自身を除く): 728558640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 73, 76, 80, 90, 95, 114, 120, 144, 146, 152, 171, 180, 190, 219, 228, 240, 281, 285, 292, 304, 342, 360, 365, 380, 438, 456, 562, 570, 584, 657, 684, 720, 730, 760, 843, 855, 876, 912, 1095, 1124, 1140, 1168, 1314, 1368, 1387, 1405, 1460, 1520, 1686, 1710, 1752, 2190, 2248, 2280, 2529, 2628, 2736, 2774, 2810, 2920, 3285, 3372, 3420, 3504, 4161, 4215, 4380, 4496, 4560, 5058, 5256, 5339, 5548, 5620, 5840, 6570, 6744, 6840, 6935, 8322, 8430, 8760, 10116, 10512, 10678, 11096, 11240, 12483, 12645, 13140, 13488, 13680, 13870, 16017, 16644, 16860, 17520, 20232, 20513, 20805, 21356, 22192, 22480, 24966, 25290, 26280, 26695, 27740, 32034, 33288, 33720, 40464, 41026, 41610, 42712, 48051, 49932, 50580, 52560, 53390, 55480, 61539, 62415, 64068, 66576, 67440, 80085, 82052, 83220, 85424, 96102, 99864, 101160, 102565, 106780, 110960, 123078, 124830, 128136, 160170, 164104, 166440, 184617, 192204, 199728, 202320, 205130, 213560, 240255, 246156, 249660, 256272, 307695, 320340, 328208, 332880, 369234, 384408, 389747, 410260, 427120, 480510, 492312, 499320, 615390, 640680, 738468, 768816, 779494, 820520, 923085, 961020, 984624, 998640, 1169241, 1230780, 1281360, 1476936, 1558988, 1641040, 1846170, 1922040, 1948735, 2338482, 2461560, 2953872, 3117976, 3507723, 3692340, 3844080, 3897470, 4676964, 4923120, 5846205, 6235952, 7015446, 7384680, 7794940, 9353928, 11692410, 14030892, 14769360, 15589880, 17538615, 18707856, 23384820, 28061784, 31179760, 35077230, 46769640, 56123568, 70154460, 93539280, 140308920, 280617840]

約数ペア:

[(1, 280617840), (2, 140308920), (3, 93539280), (4, 70154460), (5, 56123568), (6, 46769640), (8, 35077230), (9, 31179760), (10, 28061784), (12, 23384820), (15, 18707856), (16, 17538615), (18, 15589880), (19, 14769360), (20, 14030892), (24, 11692410), (30, 9353928), (36, 7794940), (38, 7384680), (40, 7015446), (45, 6235952), (48, 5846205), (57, 4923120), (60, 4676964), (72, 3897470), (73, 3844080), (76, 3692340), (80, 3507723), (90, 3117976), (95, 2953872), (114, 2461560), (120, 2338482), (144, 1948735), (146, 1922040), (152, 1846170), (171, 1641040), (180, 1558988), (190, 1476936), (219, 1281360), (228, 1230780), (240, 1169241), (281, 998640), (285, 984624), (292, 961020), (304, 923085), (342, 820520), (360, 779494), (365, 768816), (380, 738468), (438, 640680), (456, 615390), (562, 499320), (570, 492312), (584, 480510), (657, 427120), (684, 410260), (720, 389747), (730, 384408), (760, 369234), (843, 332880), (855, 328208), (876, 320340), (912, 307695), (1095, 256272), (1124, 249660), (1140, 246156), (1168, 240255), (1314, 213560), (1368, 205130), (1387, 202320), (1405, 199728), (1460, 192204), (1520, 184617), (1686, 166440), (1710, 164104), (1752, 160170), (2190, 128136), (2248, 124830), (2280, 123078), (2529, 110960), (2628, 106780), (2736, 102565), (2774, 101160), (2810, 99864), (2920, 96102), (3285, 85424), (3372, 83220), (3420, 82052), (3504, 80085), (4161, 67440), (4215, 66576), (4380, 64068), (4496, 62415), (4560, 61539), (5058, 55480), (5256, 53390), (5339, 52560), (5548, 50580), (5620, 49932), (5840, 48051), (6570, 42712), (6744, 41610), (6840, 41026), (6935, 40464), (8322, 33720), (8430, 33288), (8760, 32034), (10116, 27740), (10512, 26695), (10678, 26280), (11096, 25290), (11240, 24966), (12483, 22480), (12645, 22192), (13140, 21356), (13488, 20805), (13680, 20513), (13870, 20232), (16017, 17520), (16644, 16860)]