221922120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{757}}^1$

素因数の和:1127

約数の個数: 128

約数和(自身を含む): 764064000

約数和(自身を除く): 542141880

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, 84, 105, 120, 140, 168, 210, 280, 349, 420, 698, 757, 840, 1047, 1396, 1514, 1745, 2094, 2271, 2443, 2792, 3028, 3490, 3785, 4188, 4542, 4886, 5235, 5299, 6056, 6980, 7329, 7570, 8376, 9084, 9772, 10470, 10598, 11355, 12215, 13960, 14658, 15140, 15897, 18168, 19544, 20940, 21196, 22710, 24430, 26495, 29316, 30280, 31794, 36645, 41880, 42392, 45420, 48860, 52990, 58632, 63588, 73290, 79485, 90840, 97720, 105980, 127176, 146580, 158970, 211960, 264193, 293160, 317940, 528386, 635880, 792579, 1056772, 1320965, 1585158, 1849351, 2113544, 2641930, 3170316, 3698702, 3962895, 5283860, 5548053, 6340632, 7397404, 7925790, 9246755, 10567720, 11096106, 14794808, 15851580, 18493510, 22192212, 27740265, 31703160, 36987020, 44384424, 55480530, 73974040, 110961060, 221922120]

約数ペア:

[(1, 221922120), (2, 110961060), (3, 73974040), (4, 55480530), (5, 44384424), (6, 36987020), (7, 31703160), (8, 27740265), (10, 22192212), (12, 18493510), (14, 15851580), (15, 14794808), (20, 11096106), (21, 10567720), (24, 9246755), (28, 7925790), (30, 7397404), (35, 6340632), (40, 5548053), (42, 5283860), (56, 3962895), (60, 3698702), (70, 3170316), (84, 2641930), (105, 2113544), (120, 1849351), (140, 1585158), (168, 1320965), (210, 1056772), (280, 792579), (349, 635880), (420, 528386), (698, 317940), (757, 293160), (840, 264193), (1047, 211960), (1396, 158970), (1514, 146580), (1745, 127176), (2094, 105980), (2271, 97720), (2443, 90840), (2792, 79485), (3028, 73290), (3490, 63588), (3785, 58632), (4188, 52990), (4542, 48860), (4886, 45420), (5235, 42392), (5299, 41880), (6056, 36645), (6980, 31794), (7329, 30280), (7570, 29316), (8376, 26495), (9084, 24430), (9772, 22710), (10470, 21196), (10598, 20940), (11355, 19544), (12215, 18168), (13960, 15897), (14658, 15140)]