215980240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:514

約数の個数: 160

約数和(自身を含む): 621388800

約数和(自身を除く): 405408560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 343, 392, 463, 476, 490, 560, 595, 680, 686, 784, 833, 926, 952, 980, 1190, 1360, 1372, 1666, 1715, 1852, 1904, 1960, 2315, 2380, 2744, 3241, 3332, 3430, 3704, 3920, 4165, 4630, 4760, 5488, 5831, 6482, 6664, 6860, 7408, 7871, 8330, 9260, 9520, 11662, 12964, 13328, 13720, 15742, 16205, 16660, 18520, 22687, 23324, 25928, 27440, 29155, 31484, 32410, 33320, 37040, 39355, 45374, 46648, 51856, 55097, 58310, 62968, 64820, 66640, 78710, 90748, 93296, 110194, 113435, 116620, 125936, 129640, 157420, 158809, 181496, 220388, 226870, 233240, 259280, 275485, 314840, 317618, 362992, 385679, 440776, 453740, 466480, 550970, 629680, 635236, 771358, 794045, 881552, 907480, 1101940, 1270472, 1542716, 1588090, 1814960, 1928395, 2203880, 2540944, 2699753, 3085432, 3176180, 3856790, 4407760, 5399506, 6170864, 6352360, 7713580, 10799012, 12704720, 13498765, 15427160, 21598024, 26997530, 30854320, 43196048, 53995060, 107990120, 215980240]

約数ペア:

[(1, 215980240), (2, 107990120), (4, 53995060), (5, 43196048), (7, 30854320), (8, 26997530), (10, 21598024), (14, 15427160), (16, 13498765), (17, 12704720), (20, 10799012), (28, 7713580), (34, 6352360), (35, 6170864), (40, 5399506), (49, 4407760), (56, 3856790), (68, 3176180), (70, 3085432), (80, 2699753), (85, 2540944), (98, 2203880), (112, 1928395), (119, 1814960), (136, 1588090), (140, 1542716), (170, 1270472), (196, 1101940), (238, 907480), (245, 881552), (272, 794045), (280, 771358), (340, 635236), (343, 629680), (392, 550970), (463, 466480), (476, 453740), (490, 440776), (560, 385679), (595, 362992), (680, 317618), (686, 314840), (784, 275485), (833, 259280), (926, 233240), (952, 226870), (980, 220388), (1190, 181496), (1360, 158809), (1372, 157420), (1666, 129640), (1715, 125936), (1852, 116620), (1904, 113435), (1960, 110194), (2315, 93296), (2380, 90748), (2744, 78710), (3241, 66640), (3332, 64820), (3430, 62968), (3704, 58310), (3920, 55097), (4165, 51856), (4630, 46648), (4760, 45374), (5488, 39355), (5831, 37040), (6482, 33320), (6664, 32410), (6860, 31484), (7408, 29155), (7871, 27440), (8330, 25928), (9260, 23324), (9520, 22687), (11662, 18520), (12964, 16660), (13328, 16205), (13720, 15742)]