81387249420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{33767}}^1$

素因数の和:33952

約数の個数: 144

約数和(自身を含む): 243826571520

約数和(自身を除く): 162439322100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 255, 278, 289, 340, 417, 510, 556, 578, 695, 834, 867, 1020, 1156, 1390, 1445, 1668, 1734, 2085, 2363, 2780, 2890, 3468, 4170, 4335, 4726, 5780, 7089, 8340, 8670, 9452, 11815, 14178, 17340, 23630, 28356, 33767, 35445, 40171, 47260, 67534, 70890, 80342, 101301, 120513, 135068, 141780, 160684, 168835, 200855, 202602, 241026, 337670, 401710, 405204, 482052, 506505, 574039, 602565, 675340, 803420, 1013010, 1148078, 1205130, 1722117, 2026020, 2296156, 2410260, 2870195, 3444234, 4693613, 5740390, 6888468, 8610585, 9387226, 9758663, 11480780, 14080839, 17221170, 18774452, 19517326, 23468065, 28161678, 29275989, 34442340, 39034652, 46936130, 48793315, 56323356, 58551978, 70404195, 79791421, 93872260, 97586630, 117103956, 140808390, 146379945, 159582842, 195173260, 239374263, 281616780, 292759890, 319165684, 398957105, 478748526, 585519780, 797914210, 957497052, 1196871315, 1356454157, 1595828420, 2393742630, 2712908314, 4069362471, 4787485260, 5425816628, 6782270785, 8138724942, 13564541570, 16277449884, 20346812355, 27129083140, 40693624710, 81387249420]

約数ペア:

[(1, 81387249420), (2, 40693624710), (3, 27129083140), (4, 20346812355), (5, 16277449884), (6, 13564541570), (10, 8138724942), (12, 6782270785), (15, 5425816628), (17, 4787485260), (20, 4069362471), (30, 2712908314), (34, 2393742630), (51, 1595828420), (60, 1356454157), (68, 1196871315), (85, 957497052), (102, 797914210), (139, 585519780), (170, 478748526), (204, 398957105), (255, 319165684), (278, 292759890), (289, 281616780), (340, 239374263), (417, 195173260), (510, 159582842), (556, 146379945), (578, 140808390), (695, 117103956), (834, 97586630), (867, 93872260), (1020, 79791421), (1156, 70404195), (1390, 58551978), (1445, 56323356), (1668, 48793315), (1734, 46936130), (2085, 39034652), (2363, 34442340), (2780, 29275989), (2890, 28161678), (3468, 23468065), (4170, 19517326), (4335, 18774452), (4726, 17221170), (5780, 14080839), (7089, 11480780), (8340, 9758663), (8670, 9387226), (9452, 8610585), (11815, 6888468), (14178, 5740390), (17340, 4693613), (23630, 3444234), (28356, 2870195), (33767, 2410260), (35445, 2296156), (40171, 2026020), (47260, 1722117), (67534, 1205130), (70890, 1148078), (80342, 1013010), (101301, 803420), (120513, 675340), (135068, 602565), (141780, 574039), (160684, 506505), (168835, 482052), (200855, 405204), (202602, 401710), (241026, 337670)]