8020808760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{4789}}^1$

素因数の和:5641

約数の個数: 128

約数和(自身を含む): 25514222400

約数和(自身を除く): 17493413640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 821, 1020, 1642, 2040, 2463, 3284, 4105, 4789, 4926, 6568, 8210, 9578, 9852, 12315, 13957, 14367, 16420, 19156, 19704, 23945, 24630, 27914, 28734, 32840, 38312, 41871, 47890, 49260, 55828, 57468, 69785, 71835, 81413, 83742, 95780, 98520, 111656, 114936, 139570, 143670, 162826, 167484, 191560, 209355, 244239, 279140, 287340, 325652, 334968, 407065, 418710, 488478, 558280, 574680, 651304, 814130, 837420, 976956, 1221195, 1628260, 1674840, 1953912, 2442390, 3256520, 3931769, 4884780, 7863538, 9769560, 11795307, 15727076, 19658845, 23590614, 31454152, 39317690, 47181228, 58976535, 66840073, 78635380, 94362456, 117953070, 133680146, 157270760, 200520219, 235906140, 267360292, 334200365, 401040438, 471812280, 534720584, 668400730, 802080876, 1002601095, 1336801460, 1604161752, 2005202190, 2673602920, 4010404380, 8020808760]

約数ペア:

[(1, 8020808760), (2, 4010404380), (3, 2673602920), (4, 2005202190), (5, 1604161752), (6, 1336801460), (8, 1002601095), (10, 802080876), (12, 668400730), (15, 534720584), (17, 471812280), (20, 401040438), (24, 334200365), (30, 267360292), (34, 235906140), (40, 200520219), (51, 157270760), (60, 133680146), (68, 117953070), (85, 94362456), (102, 78635380), (120, 66840073), (136, 58976535), (170, 47181228), (204, 39317690), (255, 31454152), (340, 23590614), (408, 19658845), (510, 15727076), (680, 11795307), (821, 9769560), (1020, 7863538), (1642, 4884780), (2040, 3931769), (2463, 3256520), (3284, 2442390), (4105, 1953912), (4789, 1674840), (4926, 1628260), (6568, 1221195), (8210, 976956), (9578, 837420), (9852, 814130), (12315, 651304), (13957, 574680), (14367, 558280), (16420, 488478), (19156, 418710), (19704, 407065), (23945, 334968), (24630, 325652), (27914, 287340), (28734, 279140), (32840, 244239), (38312, 209355), (41871, 191560), (47890, 167484), (49260, 162826), (55828, 143670), (57468, 139570), (69785, 114936), (71835, 111656), (81413, 98520), (83742, 95780)]