243999840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:845

約数の個数: 192

約数和(自身を含む): 888330240

約数和(自身を除く): 644330400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 101, 105, 112, 120, 140, 160, 168, 202, 210, 224, 240, 280, 303, 336, 404, 420, 480, 505, 560, 606, 672, 707, 719, 808, 840, 1010, 1120, 1212, 1414, 1438, 1515, 1616, 1680, 2020, 2121, 2157, 2424, 2828, 2876, 3030, 3232, 3360, 3535, 3595, 4040, 4242, 4314, 4848, 5033, 5656, 5752, 6060, 7070, 7190, 8080, 8484, 8628, 9696, 10066, 10605, 10785, 11312, 11504, 12120, 14140, 14380, 15099, 16160, 16968, 17256, 20132, 21210, 21570, 22624, 23008, 24240, 25165, 28280, 28760, 30198, 33936, 34512, 40264, 42420, 43140, 48480, 50330, 56560, 57520, 60396, 67872, 69024, 72619, 75495, 80528, 84840, 86280, 100660, 113120, 115040, 120792, 145238, 150990, 161056, 169680, 172560, 201320, 217857, 241584, 290476, 301980, 339360, 345120, 363095, 402640, 435714, 483168, 508333, 580952, 603960, 726190, 805280, 871428, 1016666, 1089285, 1161904, 1207920, 1452380, 1524999, 1742856, 2033332, 2178570, 2323808, 2415840, 2541665, 2904760, 3049998, 3485712, 4066664, 4357140, 5083330, 5809520, 6099996, 6971424, 7624995, 8133328, 8714280, 10166660, 11619040, 12199992, 15249990, 16266656, 17428560, 20333320, 24399984, 30499980, 34857120, 40666640, 48799968, 60999960, 81333280, 121999920, 243999840]

約数ペア:

[(1, 243999840), (2, 121999920), (3, 81333280), (4, 60999960), (5, 48799968), (6, 40666640), (7, 34857120), (8, 30499980), (10, 24399984), (12, 20333320), (14, 17428560), (15, 16266656), (16, 15249990), (20, 12199992), (21, 11619040), (24, 10166660), (28, 8714280), (30, 8133328), (32, 7624995), (35, 6971424), (40, 6099996), (42, 5809520), (48, 5083330), (56, 4357140), (60, 4066664), (70, 3485712), (80, 3049998), (84, 2904760), (96, 2541665), (101, 2415840), (105, 2323808), (112, 2178570), (120, 2033332), (140, 1742856), (160, 1524999), (168, 1452380), (202, 1207920), (210, 1161904), (224, 1089285), (240, 1016666), (280, 871428), (303, 805280), (336, 726190), (404, 603960), (420, 580952), (480, 508333), (505, 483168), (560, 435714), (606, 402640), (672, 363095), (707, 345120), (719, 339360), (808, 301980), (840, 290476), (1010, 241584), (1120, 217857), (1212, 201320), (1414, 172560), (1438, 169680), (1515, 161056), (1616, 150990), (1680, 145238), (2020, 120792), (2121, 115040), (2157, 113120), (2424, 100660), (2828, 86280), (2876, 84840), (3030, 80528), (3232, 75495), (3360, 72619), (3535, 69024), (3595, 67872), (4040, 60396), (4242, 57520), (4314, 56560), (4848, 50330), (5033, 48480), (5656, 43140), (5752, 42420), (6060, 40264), (7070, 34512), (7190, 33936), (8080, 30198), (8484, 28760), (8628, 28280), (9696, 25165), (10066, 24240), (10605, 23008), (10785, 22624), (11312, 21570), (11504, 21210), (12120, 20132), (14140, 17256), (14380, 16968), (15099, 16160)]