1215655560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{401}}^2$

素因数の和:829

約数の個数: 192

約数和(自身を含む): 4642646400

約数和(自身を除く): 3426990840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 401, 420, 504, 540, 630, 756, 802, 840, 945, 1080, 1203, 1260, 1512, 1604, 1890, 2005, 2406, 2520, 2807, 3208, 3609, 3780, 4010, 4812, 5614, 6015, 7218, 7560, 8020, 8421, 9624, 10827, 11228, 12030, 14035, 14436, 16040, 16842, 18045, 21654, 22456, 24060, 25263, 28070, 28872, 33684, 36090, 42105, 43308, 48120, 50526, 54135, 56140, 67368, 72180, 75789, 84210, 86616, 101052, 108270, 112280, 126315, 144360, 151578, 160801, 168420, 202104, 216540, 252630, 303156, 321602, 336840, 378945, 433080, 482403, 505260, 606312, 643204, 757890, 804005, 964806, 1010520, 1125607, 1286408, 1447209, 1515780, 1608010, 1929612, 2251214, 2412015, 2894418, 3031560, 3216020, 3376821, 3859224, 4341627, 4502428, 4824030, 5628035, 5788836, 6432040, 6753642, 7236045, 8683254, 9004856, 9648060, 10130463, 11256070, 11577672, 13507284, 14472090, 16884105, 17366508, 19296120, 20260926, 21708135, 22512140, 27014568, 28944180, 30391389, 33768210, 34733016, 40521852, 43416270, 45024280, 50652315, 57888360, 60782778, 67536420, 81043704, 86832540, 101304630, 121565556, 135072840, 151956945, 173665080, 202609260, 243131112, 303913890, 405218520, 607827780, 1215655560]

約数ペア:

[(1, 1215655560), (2, 607827780), (3, 405218520), (4, 303913890), (5, 243131112), (6, 202609260), (7, 173665080), (8, 151956945), (9, 135072840), (10, 121565556), (12, 101304630), (14, 86832540), (15, 81043704), (18, 67536420), (20, 60782778), (21, 57888360), (24, 50652315), (27, 45024280), (28, 43416270), (30, 40521852), (35, 34733016), (36, 33768210), (40, 30391389), (42, 28944180), (45, 27014568), (54, 22512140), (56, 21708135), (60, 20260926), (63, 19296120), (70, 17366508), (72, 16884105), (84, 14472090), (90, 13507284), (105, 11577672), (108, 11256070), (120, 10130463), (126, 9648060), (135, 9004856), (140, 8683254), (168, 7236045), (180, 6753642), (189, 6432040), (210, 5788836), (216, 5628035), (252, 4824030), (270, 4502428), (280, 4341627), (315, 3859224), (360, 3376821), (378, 3216020), (401, 3031560), (420, 2894418), (504, 2412015), (540, 2251214), (630, 1929612), (756, 1608010), (802, 1515780), (840, 1447209), (945, 1286408), (1080, 1125607), (1203, 1010520), (1260, 964806), (1512, 804005), (1604, 757890), (1890, 643204), (2005, 606312), (2406, 505260), (2520, 482403), (2807, 433080), (3208, 378945), (3609, 336840), (3780, 321602), (4010, 303156), (4812, 252630), (5614, 216540), (6015, 202104), (7218, 168420), (7560, 160801), (8020, 151578), (8421, 144360), (9624, 126315), (10827, 112280), (11228, 108270), (12030, 101052), (14035, 86616), (14436, 84210), (16040, 75789), (16842, 72180), (18045, 67368), (21654, 56140), (22456, 54135), (24060, 50526), (25263, 48120), (28070, 43308), (28872, 42105), (33684, 36090)]