878906040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 2688491520

約数和(自身を除く): 1809585480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 127, 202, 254, 303, 381, 404, 505, 508, 571, 606, 635, 762, 808, 1010, 1016, 1142, 1212, 1270, 1515, 1524, 1713, 1905, 2020, 2284, 2424, 2540, 2855, 3030, 3048, 3426, 3810, 4040, 4568, 5080, 5710, 6060, 6852, 7620, 8565, 11420, 12120, 12827, 13704, 15240, 17130, 22840, 25654, 34260, 38481, 51308, 57671, 64135, 68520, 72517, 76962, 102616, 115342, 128270, 145034, 153924, 173013, 192405, 217551, 230684, 256540, 288355, 290068, 307848, 346026, 362585, 384810, 435102, 461368, 513080, 576710, 580136, 692052, 725170, 769620, 865065, 870204, 1087755, 1153420, 1384104, 1450340, 1539240, 1730130, 1740408, 2175510, 2306840, 2900680, 3460260, 4351020, 6920520, 7324217, 8702040, 14648434, 21972651, 29296868, 36621085, 43945302, 58593736, 73242170, 87890604, 109863255, 146484340, 175781208, 219726510, 292968680, 439453020, 878906040]

約数ペア:

[(1, 878906040), (2, 439453020), (3, 292968680), (4, 219726510), (5, 175781208), (6, 146484340), (8, 109863255), (10, 87890604), (12, 73242170), (15, 58593736), (20, 43945302), (24, 36621085), (30, 29296868), (40, 21972651), (60, 14648434), (101, 8702040), (120, 7324217), (127, 6920520), (202, 4351020), (254, 3460260), (303, 2900680), (381, 2306840), (404, 2175510), (505, 1740408), (508, 1730130), (571, 1539240), (606, 1450340), (635, 1384104), (762, 1153420), (808, 1087755), (1010, 870204), (1016, 865065), (1142, 769620), (1212, 725170), (1270, 692052), (1515, 580136), (1524, 576710), (1713, 513080), (1905, 461368), (2020, 435102), (2284, 384810), (2424, 362585), (2540, 346026), (2855, 307848), (3030, 290068), (3048, 288355), (3426, 256540), (3810, 230684), (4040, 217551), (4568, 192405), (5080, 173013), (5710, 153924), (6060, 145034), (6852, 128270), (7620, 115342), (8565, 102616), (11420, 76962), (12120, 72517), (12827, 68520), (13704, 64135), (15240, 57671), (17130, 51308), (22840, 38481), (25654, 34260)]