66643920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{1889}}^1$

素因数の和:1922

約数の個数: 180

約数和(自身を含む): 260491140

約数和(自身を除く): 193847220

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1889, 1960, 2205, 2352, 2520, 2940, 3528, 3778, 3920, 4410, 5040, 5667, 5880, 7056, 7556, 8820, 9445, 11334, 11760, 13223, 15112, 17001, 17640, 18890, 22668, 26446, 28335, 30224, 34002, 35280, 37780, 39669, 45336, 52892, 56670, 66115, 68004, 75560, 79338, 85005, 90672, 92561, 105784, 113340, 119007, 132230, 136008, 151120, 158676, 170010, 185122, 198345, 211568, 226680, 238014, 264460, 272016, 277683, 317352, 340020, 370244, 396690, 453360, 462805, 476028, 528920, 555366, 595035, 634704, 680040, 740488, 793380, 833049, 925610, 952056, 1057840, 1110732, 1190070, 1360080, 1388415, 1480976, 1586760, 1666098, 1851220, 1904112, 2221464, 2380140, 2776830, 3173520, 3332196, 3702440, 4165245, 4442928, 4760280, 5553660, 6664392, 7404880, 8330490, 9520560, 11107320, 13328784, 16660980, 22214640, 33321960, 66643920]

約数ペア:

[(1, 66643920), (2, 33321960), (3, 22214640), (4, 16660980), (5, 13328784), (6, 11107320), (7, 9520560), (8, 8330490), (9, 7404880), (10, 6664392), (12, 5553660), (14, 4760280), (15, 4442928), (16, 4165245), (18, 3702440), (20, 3332196), (21, 3173520), (24, 2776830), (28, 2380140), (30, 2221464), (35, 1904112), (36, 1851220), (40, 1666098), (42, 1586760), (45, 1480976), (48, 1388415), (49, 1360080), (56, 1190070), (60, 1110732), (63, 1057840), (70, 952056), (72, 925610), (80, 833049), (84, 793380), (90, 740488), (98, 680040), (105, 634704), (112, 595035), (120, 555366), (126, 528920), (140, 476028), (144, 462805), (147, 453360), (168, 396690), (180, 370244), (196, 340020), (210, 317352), (240, 277683), (245, 272016), (252, 264460), (280, 238014), (294, 226680), (315, 211568), (336, 198345), (360, 185122), (392, 170010), (420, 158676), (441, 151120), (490, 136008), (504, 132230), (560, 119007), (588, 113340), (630, 105784), (720, 92561), (735, 90672), (784, 85005), (840, 79338), (882, 75560), (980, 68004), (1008, 66115), (1176, 56670), (1260, 52892), (1470, 45336), (1680, 39669), (1764, 37780), (1889, 35280), (1960, 34002), (2205, 30224), (2352, 28335), (2520, 26446), (2940, 22668), (3528, 18890), (3778, 17640), (3920, 17001), (4410, 15112), (5040, 13223), (5667, 11760), (5880, 11334), (7056, 9445), (7556, 8820)]