217357560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{28751}}^1$

素因数の和:28778

約数の個数: 128

約数和(自身を含む): 828057600

約数和(自身を除く): 610700040

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, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 28751, 57502, 86253, 115004, 143755, 172506, 201257, 230008, 258759, 287510, 345012, 402514, 431265, 517518, 575020, 603771, 690024, 776277, 805028, 862530, 1006285, 1035036, 1150040, 1207542, 1293795, 1552554, 1610056, 1725060, 1811313, 2012570, 2070072, 2415084, 2587590, 3018855, 3105108, 3450120, 3622626, 3881385, 4025140, 4830168, 5175180, 5433939, 6037710, 6210216, 7245252, 7762770, 8050280, 9056565, 10350360, 10867878, 12075420, 14490504, 15525540, 18113130, 21735756, 24150840, 27169695, 31051080, 36226260, 43471512, 54339390, 72452520, 108678780, 217357560]

約数ペア:

[(1, 217357560), (2, 108678780), (3, 72452520), (4, 54339390), (5, 43471512), (6, 36226260), (7, 31051080), (8, 27169695), (9, 24150840), (10, 21735756), (12, 18113130), (14, 15525540), (15, 14490504), (18, 12075420), (20, 10867878), (21, 10350360), (24, 9056565), (27, 8050280), (28, 7762770), (30, 7245252), (35, 6210216), (36, 6037710), (40, 5433939), (42, 5175180), (45, 4830168), (54, 4025140), (56, 3881385), (60, 3622626), (63, 3450120), (70, 3105108), (72, 3018855), (84, 2587590), (90, 2415084), (105, 2070072), (108, 2012570), (120, 1811313), (126, 1725060), (135, 1610056), (140, 1552554), (168, 1293795), (180, 1207542), (189, 1150040), (210, 1035036), (216, 1006285), (252, 862530), (270, 805028), (280, 776277), (315, 690024), (360, 603771), (378, 575020), (420, 517518), (504, 431265), (540, 402514), (630, 345012), (756, 287510), (840, 258759), (945, 230008), (1080, 201257), (1260, 172506), (1512, 143755), (1890, 115004), (2520, 86253), (3780, 57502), (7560, 28751)]