18745159440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{71069}}^1$

素因数の和:71249

約数の個数: 160

約数和(自身を含む): 66835365120

約数和(自身を除く): 48090205680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 314, 336, 420, 471, 560, 628, 785, 840, 942, 1099, 1256, 1570, 1680, 1884, 2198, 2355, 2512, 3140, 3297, 3768, 4396, 4710, 5495, 6280, 6594, 7536, 8792, 9420, 10990, 12560, 13188, 16485, 17584, 18840, 21980, 26376, 32970, 37680, 43960, 52752, 65940, 71069, 87920, 131880, 142138, 213207, 263760, 284276, 355345, 426414, 497483, 568552, 710690, 852828, 994966, 1066035, 1137104, 1421380, 1492449, 1705656, 1989932, 2132070, 2487415, 2842760, 2984898, 3411312, 3979864, 4264140, 4974830, 5685520, 5969796, 7462245, 7959728, 8528280, 9949660, 11157833, 11939592, 14924490, 17056560, 19899320, 22315666, 23879184, 29848980, 33473499, 39798640, 44631332, 55789165, 59697960, 66946998, 78104831, 89262664, 111578330, 119395920, 133893996, 156209662, 167367495, 178525328, 223156660, 234314493, 267787992, 312419324, 334734990, 390524155, 446313320, 468628986, 535575984, 624838648, 669469980, 781048310, 892626640, 937257972, 1171572465, 1249677296, 1338939960, 1562096620, 1874515944, 2343144930, 2677879920, 3124193240, 3749031888, 4686289860, 6248386480, 9372579720, 18745159440]

約数ペア:

[(1, 18745159440), (2, 9372579720), (3, 6248386480), (4, 4686289860), (5, 3749031888), (6, 3124193240), (7, 2677879920), (8, 2343144930), (10, 1874515944), (12, 1562096620), (14, 1338939960), (15, 1249677296), (16, 1171572465), (20, 937257972), (21, 892626640), (24, 781048310), (28, 669469980), (30, 624838648), (35, 535575984), (40, 468628986), (42, 446313320), (48, 390524155), (56, 334734990), (60, 312419324), (70, 267787992), (80, 234314493), (84, 223156660), (105, 178525328), (112, 167367495), (120, 156209662), (140, 133893996), (157, 119395920), (168, 111578330), (210, 89262664), (240, 78104831), (280, 66946998), (314, 59697960), (336, 55789165), (420, 44631332), (471, 39798640), (560, 33473499), (628, 29848980), (785, 23879184), (840, 22315666), (942, 19899320), (1099, 17056560), (1256, 14924490), (1570, 11939592), (1680, 11157833), (1884, 9949660), (2198, 8528280), (2355, 7959728), (2512, 7462245), (3140, 5969796), (3297, 5685520), (3768, 4974830), (4396, 4264140), (4710, 3979864), (5495, 3411312), (6280, 2984898), (6594, 2842760), (7536, 2487415), (8792, 2132070), (9420, 1989932), (10990, 1705656), (12560, 1492449), (13188, 1421380), (16485, 1137104), (17584, 1066035), (18840, 994966), (21980, 852828), (26376, 710690), (32970, 568552), (37680, 497483), (43960, 426414), (52752, 355345), (65940, 284276), (71069, 263760), (87920, 213207), (131880, 142138)]