210320120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 525312000

約数和(自身を除く): 314991880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 79, 95, 113, 124, 152, 155, 158, 190, 226, 248, 310, 316, 380, 395, 452, 565, 589, 620, 632, 760, 790, 904, 1130, 1178, 1240, 1501, 1580, 2147, 2260, 2356, 2449, 2945, 3002, 3160, 3503, 4294, 4520, 4712, 4898, 5890, 6004, 7006, 7505, 8588, 8927, 9796, 10735, 11780, 12008, 12245, 14012, 15010, 17176, 17515, 17854, 19592, 21470, 23560, 24490, 28024, 30020, 35030, 35708, 42940, 44635, 46531, 48980, 60040, 66557, 70060, 71416, 85880, 89270, 93062, 97960, 133114, 140120, 169613, 178540, 186124, 232655, 266228, 276737, 332785, 339226, 357080, 372248, 465310, 532456, 553474, 665570, 678452, 848065, 930620, 1106948, 1331140, 1356904, 1383685, 1696130, 1861240, 2213896, 2662280, 2767370, 3392260, 5258003, 5534740, 6784520, 10516006, 11069480, 21032012, 26290015, 42064024, 52580030, 105160060, 210320120]

約数ペア:

[(1, 210320120), (2, 105160060), (4, 52580030), (5, 42064024), (8, 26290015), (10, 21032012), (19, 11069480), (20, 10516006), (31, 6784520), (38, 5534740), (40, 5258003), (62, 3392260), (76, 2767370), (79, 2662280), (95, 2213896), (113, 1861240), (124, 1696130), (152, 1383685), (155, 1356904), (158, 1331140), (190, 1106948), (226, 930620), (248, 848065), (310, 678452), (316, 665570), (380, 553474), (395, 532456), (452, 465310), (565, 372248), (589, 357080), (620, 339226), (632, 332785), (760, 276737), (790, 266228), (904, 232655), (1130, 186124), (1178, 178540), (1240, 169613), (1501, 140120), (1580, 133114), (2147, 97960), (2260, 93062), (2356, 89270), (2449, 85880), (2945, 71416), (3002, 70060), (3160, 66557), (3503, 60040), (4294, 48980), (4520, 46531), (4712, 44635), (4898, 42940), (5890, 35708), (6004, 35030), (7006, 30020), (7505, 28024), (8588, 24490), (8927, 23560), (9796, 21470), (10735, 19592), (11780, 17854), (12008, 17515), (12245, 17176), (14012, 15010)]