218751120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43403}}^1$

素因数の和:43429

約数の個数: 120

約数和(自身を含む): 839606976

約数和(自身を除く): 620855856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43403, 86806, 130209, 173612, 217015, 260418, 303821, 347224, 390627, 434030, 520836, 607642, 651045, 694448, 781254, 868060, 911463, 1041672, 1215284, 1302090, 1519105, 1562508, 1736120, 1822926, 1953135, 2083344, 2430568, 2604180, 2734389, 3038210, 3125016, 3472240, 3645852, 3906270, 4557315, 4861136, 5208360, 5468778, 6076420, 6250032, 7291704, 7812540, 9114630, 10416720, 10937556, 12152840, 13671945, 14583408, 15625080, 18229260, 21875112, 24305680, 27343890, 31250160, 36458520, 43750224, 54687780, 72917040, 109375560, 218751120]

約数ペア:

[(1, 218751120), (2, 109375560), (3, 72917040), (4, 54687780), (5, 43750224), (6, 36458520), (7, 31250160), (8, 27343890), (9, 24305680), (10, 21875112), (12, 18229260), (14, 15625080), (15, 14583408), (16, 13671945), (18, 12152840), (20, 10937556), (21, 10416720), (24, 9114630), (28, 7812540), (30, 7291704), (35, 6250032), (36, 6076420), (40, 5468778), (42, 5208360), (45, 4861136), (48, 4557315), (56, 3906270), (60, 3645852), (63, 3472240), (70, 3125016), (72, 3038210), (80, 2734389), (84, 2604180), (90, 2430568), (105, 2083344), (112, 1953135), (120, 1822926), (126, 1736120), (140, 1562508), (144, 1519105), (168, 1302090), (180, 1215284), (210, 1041672), (240, 911463), (252, 868060), (280, 781254), (315, 694448), (336, 651045), (360, 607642), (420, 520836), (504, 434030), (560, 390627), (630, 347224), (720, 303821), (840, 260418), (1008, 217015), (1260, 173612), (1680, 130209), (2520, 86806), (5040, 43403)]