2015185860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 6200812800

約数和(自身を除く): 4185626940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 239, 278, 337, 417, 478, 556, 674, 695, 717, 834, 956, 1011, 1195, 1251, 1348, 1390, 1434, 1668, 1685, 2022, 2085, 2151, 2390, 2502, 2780, 2868, 3033, 3370, 3585, 4044, 4170, 4302, 4780, 5004, 5055, 6066, 6255, 6740, 7170, 8340, 8604, 10110, 10755, 12132, 12510, 14340, 15165, 20220, 21510, 25020, 30330, 33221, 43020, 46843, 60660, 66442, 80543, 93686, 99663, 132884, 140529, 161086, 166105, 187372, 199326, 234215, 241629, 281058, 298989, 322172, 332210, 398652, 402715, 421587, 468430, 483258, 498315, 562116, 597978, 664420, 702645, 724887, 805430, 843174, 936860, 966516, 996630, 1195956, 1208145, 1405290, 1449774, 1494945, 1610860, 1686348, 1993260, 2107935, 2416290, 2810580, 2899548, 2989890, 3624435, 4215870, 4832580, 5979780, 7248870, 8431740, 11195477, 14497740, 22390954, 33586431, 44781908, 55977385, 67172862, 100759293, 111954770, 134345724, 167932155, 201518586, 223909540, 335864310, 403037172, 503796465, 671728620, 1007592930, 2015185860]

約数ペア:

[(1, 2015185860), (2, 1007592930), (3, 671728620), (4, 503796465), (5, 403037172), (6, 335864310), (9, 223909540), (10, 201518586), (12, 167932155), (15, 134345724), (18, 111954770), (20, 100759293), (30, 67172862), (36, 55977385), (45, 44781908), (60, 33586431), (90, 22390954), (139, 14497740), (180, 11195477), (239, 8431740), (278, 7248870), (337, 5979780), (417, 4832580), (478, 4215870), (556, 3624435), (674, 2989890), (695, 2899548), (717, 2810580), (834, 2416290), (956, 2107935), (1011, 1993260), (1195, 1686348), (1251, 1610860), (1348, 1494945), (1390, 1449774), (1434, 1405290), (1668, 1208145), (1685, 1195956), (2022, 996630), (2085, 966516), (2151, 936860), (2390, 843174), (2502, 805430), (2780, 724887), (2868, 702645), (3033, 664420), (3370, 597978), (3585, 562116), (4044, 498315), (4170, 483258), (4302, 468430), (4780, 421587), (5004, 402715), (5055, 398652), (6066, 332210), (6255, 322172), (6740, 298989), (7170, 281058), (8340, 241629), (8604, 234215), (10110, 199326), (10755, 187372), (12132, 166105), (12510, 161086), (14340, 140529), (15165, 132884), (20220, 99663), (21510, 93686), (25020, 80543), (30330, 66442), (33221, 60660), (43020, 46843)]