15499920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 53032320

約数和(自身を除く): 37532400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 102, 116, 120, 131, 136, 145, 170, 174, 204, 232, 240, 255, 262, 272, 290, 340, 348, 393, 408, 435, 464, 493, 510, 524, 580, 655, 680, 696, 786, 816, 870, 986, 1020, 1048, 1160, 1310, 1360, 1392, 1479, 1572, 1740, 1965, 1972, 2040, 2096, 2227, 2320, 2465, 2620, 2958, 3144, 3480, 3799, 3930, 3944, 4080, 4454, 4930, 5240, 5916, 6288, 6681, 6960, 7395, 7598, 7860, 7888, 8908, 9860, 10480, 11135, 11397, 11832, 13362, 14790, 15196, 15720, 17816, 18995, 19720, 22270, 22794, 23664, 26724, 29580, 30392, 31440, 33405, 35632, 37990, 39440, 44540, 45588, 53448, 56985, 59160, 60784, 64583, 66810, 75980, 89080, 91176, 106896, 113970, 118320, 129166, 133620, 151960, 178160, 182352, 193749, 227940, 258332, 267240, 303920, 322915, 387498, 455880, 516664, 534480, 645830, 774996, 911760, 968745, 1033328, 1291660, 1549992, 1937490, 2583320, 3099984, 3874980, 5166640, 7749960, 15499920]

約数ペア:

[(1, 15499920), (2, 7749960), (3, 5166640), (4, 3874980), (5, 3099984), (6, 2583320), (8, 1937490), (10, 1549992), (12, 1291660), (15, 1033328), (16, 968745), (17, 911760), (20, 774996), (24, 645830), (29, 534480), (30, 516664), (34, 455880), (40, 387498), (48, 322915), (51, 303920), (58, 267240), (60, 258332), (68, 227940), (80, 193749), (85, 182352), (87, 178160), (102, 151960), (116, 133620), (120, 129166), (131, 118320), (136, 113970), (145, 106896), (170, 91176), (174, 89080), (204, 75980), (232, 66810), (240, 64583), (255, 60784), (262, 59160), (272, 56985), (290, 53448), (340, 45588), (348, 44540), (393, 39440), (408, 37990), (435, 35632), (464, 33405), (493, 31440), (510, 30392), (524, 29580), (580, 26724), (655, 23664), (680, 22794), (696, 22270), (786, 19720), (816, 18995), (870, 17816), (986, 15720), (1020, 15196), (1048, 14790), (1160, 13362), (1310, 11832), (1360, 11397), (1392, 11135), (1479, 10480), (1572, 9860), (1740, 8908), (1965, 7888), (1972, 7860), (2040, 7598), (2096, 7395), (2227, 6960), (2320, 6681), (2465, 6288), (2620, 5916), (2958, 5240), (3144, 4930), (3480, 4454), (3799, 4080), (3930, 3944)]