128279340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1752

約数の個数: 144

約数和(自身を含む): 452262720

約数和(自身を除く): 323983380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1669, 1708, 1830, 2135, 2196, 2562, 2745, 3338, 3660, 3843, 4270, 5007, 5124, 5490, 6405, 6676, 7686, 8345, 8540, 10014, 10980, 11683, 12810, 15021, 15372, 16690, 19215, 20028, 23366, 25035, 25620, 30042, 33380, 35049, 38430, 46732, 50070, 58415, 60084, 70098, 75105, 76860, 100140, 101809, 105147, 116830, 140196, 150210, 175245, 203618, 210294, 233660, 300420, 305427, 350490, 407236, 420588, 509045, 525735, 610854, 700980, 712663, 916281, 1018090, 1051470, 1221708, 1425326, 1527135, 1832562, 2036180, 2102940, 2137989, 2850652, 3054270, 3563315, 3665124, 4275978, 4581405, 6108540, 6413967, 7126630, 8551956, 9162810, 10689945, 12827934, 14253260, 18325620, 21379890, 25655868, 32069835, 42759780, 64139670, 128279340]

約数ペア:

[(1, 128279340), (2, 64139670), (3, 42759780), (4, 32069835), (5, 25655868), (6, 21379890), (7, 18325620), (9, 14253260), (10, 12827934), (12, 10689945), (14, 9162810), (15, 8551956), (18, 7126630), (20, 6413967), (21, 6108540), (28, 4581405), (30, 4275978), (35, 3665124), (36, 3563315), (42, 3054270), (45, 2850652), (60, 2137989), (61, 2102940), (63, 2036180), (70, 1832562), (84, 1527135), (90, 1425326), (105, 1221708), (122, 1051470), (126, 1018090), (140, 916281), (180, 712663), (183, 700980), (210, 610854), (244, 525735), (252, 509045), (305, 420588), (315, 407236), (366, 350490), (420, 305427), (427, 300420), (549, 233660), (610, 210294), (630, 203618), (732, 175245), (854, 150210), (915, 140196), (1098, 116830), (1220, 105147), (1260, 101809), (1281, 100140), (1669, 76860), (1708, 75105), (1830, 70098), (2135, 60084), (2196, 58415), (2562, 50070), (2745, 46732), (3338, 38430), (3660, 35049), (3843, 33380), (4270, 30042), (5007, 25620), (5124, 25035), (5490, 23366), (6405, 20028), (6676, 19215), (7686, 16690), (8345, 15372), (8540, 15021), (10014, 12810), (10980, 11683)]