215717880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3617}}^1$

素因数の和:3709

約数の個数: 128

約数和(自身を含む): 750228480

約数和(自身を除く): 534510600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3617, 3976, 4260, 4970, 5964, 7234, 7455, 8520, 9940, 10851, 11928, 14468, 14910, 18085, 19880, 21702, 25319, 28936, 29820, 36170, 43404, 50638, 54255, 59640, 72340, 75957, 86808, 101276, 108510, 126595, 144680, 151914, 202552, 217020, 253190, 256807, 303828, 379785, 434040, 506380, 513614, 607656, 759570, 770421, 1012760, 1027228, 1284035, 1519140, 1540842, 1797649, 2054456, 2568070, 3038280, 3081684, 3595298, 3852105, 5136140, 5392947, 6163368, 7190596, 7704210, 8988245, 10272280, 10785894, 14381192, 15408420, 17976490, 21571788, 26964735, 30816840, 35952980, 43143576, 53929470, 71905960, 107858940, 215717880]

約数ペア:

[(1, 215717880), (2, 107858940), (3, 71905960), (4, 53929470), (5, 43143576), (6, 35952980), (7, 30816840), (8, 26964735), (10, 21571788), (12, 17976490), (14, 15408420), (15, 14381192), (20, 10785894), (21, 10272280), (24, 8988245), (28, 7704210), (30, 7190596), (35, 6163368), (40, 5392947), (42, 5136140), (56, 3852105), (60, 3595298), (70, 3081684), (71, 3038280), (84, 2568070), (105, 2054456), (120, 1797649), (140, 1540842), (142, 1519140), (168, 1284035), (210, 1027228), (213, 1012760), (280, 770421), (284, 759570), (355, 607656), (420, 513614), (426, 506380), (497, 434040), (568, 379785), (710, 303828), (840, 256807), (852, 253190), (994, 217020), (1065, 202552), (1420, 151914), (1491, 144680), (1704, 126595), (1988, 108510), (2130, 101276), (2485, 86808), (2840, 75957), (2982, 72340), (3617, 59640), (3976, 54255), (4260, 50638), (4970, 43404), (5964, 36170), (7234, 29820), (7455, 28936), (8520, 25319), (9940, 21702), (10851, 19880), (11928, 18085), (14468, 14910)]