1685880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 6451200

約数和(自身を除く): 4765320

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, 223, 252, 270, 280, 315, 360, 378, 420, 446, 504, 540, 630, 669, 756, 840, 892, 945, 1080, 1115, 1260, 1338, 1512, 1561, 1784, 1890, 2007, 2230, 2520, 2676, 3122, 3345, 3780, 4014, 4460, 4683, 5352, 6021, 6244, 6690, 7560, 7805, 8028, 8920, 9366, 10035, 12042, 12488, 13380, 14049, 15610, 16056, 18732, 20070, 23415, 24084, 26760, 28098, 30105, 31220, 37464, 40140, 42147, 46830, 48168, 56196, 60210, 62440, 70245, 80280, 84294, 93660, 112392, 120420, 140490, 168588, 187320, 210735, 240840, 280980, 337176, 421470, 561960, 842940, 1685880]

約数ペア:

[(1, 1685880), (2, 842940), (3, 561960), (4, 421470), (5, 337176), (6, 280980), (7, 240840), (8, 210735), (9, 187320), (10, 168588), (12, 140490), (14, 120420), (15, 112392), (18, 93660), (20, 84294), (21, 80280), (24, 70245), (27, 62440), (28, 60210), (30, 56196), (35, 48168), (36, 46830), (40, 42147), (42, 40140), (45, 37464), (54, 31220), (56, 30105), (60, 28098), (63, 26760), (70, 24084), (72, 23415), (84, 20070), (90, 18732), (105, 16056), (108, 15610), (120, 14049), (126, 13380), (135, 12488), (140, 12042), (168, 10035), (180, 9366), (189, 8920), (210, 8028), (216, 7805), (223, 7560), (252, 6690), (270, 6244), (280, 6021), (315, 5352), (360, 4683), (378, 4460), (420, 4014), (446, 3780), (504, 3345), (540, 3122), (630, 2676), (669, 2520), (756, 2230), (840, 2007), (892, 1890), (945, 1784), (1080, 1561), (1115, 1512), (1260, 1338)]