221815560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 690923520

約数和(自身を除く): 469107960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 67, 94, 120, 134, 141, 188, 201, 235, 268, 282, 335, 376, 402, 470, 536, 564, 587, 670, 705, 804, 940, 1005, 1128, 1174, 1340, 1410, 1608, 1761, 1880, 2010, 2348, 2680, 2820, 2935, 3149, 3522, 4020, 4696, 5640, 5870, 6298, 7044, 8040, 8805, 9447, 11740, 12596, 14088, 15745, 17610, 18894, 23480, 25192, 27589, 31490, 35220, 37788, 39329, 47235, 55178, 62980, 70440, 75576, 78658, 82767, 94470, 110356, 117987, 125960, 137945, 157316, 165534, 188940, 196645, 220712, 235974, 275890, 314632, 331068, 377880, 393290, 413835, 471948, 551780, 589935, 662136, 786580, 827670, 943896, 1103560, 1179870, 1573160, 1655340, 1848463, 2359740, 3310680, 3696926, 4719480, 5545389, 7393852, 9242315, 11090778, 14787704, 18484630, 22181556, 27726945, 36969260, 44363112, 55453890, 73938520, 110907780, 221815560]

約数ペア:

[(1, 221815560), (2, 110907780), (3, 73938520), (4, 55453890), (5, 44363112), (6, 36969260), (8, 27726945), (10, 22181556), (12, 18484630), (15, 14787704), (20, 11090778), (24, 9242315), (30, 7393852), (40, 5545389), (47, 4719480), (60, 3696926), (67, 3310680), (94, 2359740), (120, 1848463), (134, 1655340), (141, 1573160), (188, 1179870), (201, 1103560), (235, 943896), (268, 827670), (282, 786580), (335, 662136), (376, 589935), (402, 551780), (470, 471948), (536, 413835), (564, 393290), (587, 377880), (670, 331068), (705, 314632), (804, 275890), (940, 235974), (1005, 220712), (1128, 196645), (1174, 188940), (1340, 165534), (1410, 157316), (1608, 137945), (1761, 125960), (1880, 117987), (2010, 110356), (2348, 94470), (2680, 82767), (2820, 78658), (2935, 75576), (3149, 70440), (3522, 62980), (4020, 55178), (4696, 47235), (5640, 39329), (5870, 37788), (6298, 35220), (7044, 31490), (8040, 27589), (8805, 25192), (9447, 23480), (11740, 18894), (12596, 17610), (14088, 15745)]