1399440

素因数分解:

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

素因数の和:54

約数の個数: 160

約数和(自身を含む): 5356800

約数和(自身を除く): 3957360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 343, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 686, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1029, 1176, 1190, 1360, 1372, 1428, 1470, 1666, 1680, 1715, 1785, 1904, 1960, 2040, 2058, 2352, 2380, 2499, 2744, 2856, 2940, 3332, 3430, 3570, 3920, 4080, 4116, 4165, 4760, 4998, 5145, 5488, 5712, 5831, 5880, 6664, 6860, 7140, 8232, 8330, 9520, 9996, 10290, 11662, 11760, 12495, 13328, 13720, 14280, 16464, 16660, 17493, 19992, 20580, 23324, 24990, 27440, 28560, 29155, 33320, 34986, 39984, 41160, 46648, 49980, 58310, 66640, 69972, 82320, 87465, 93296, 99960, 116620, 139944, 174930, 199920, 233240, 279888, 349860, 466480, 699720, 1399440]

約数ペア:

[(1, 1399440), (2, 699720), (3, 466480), (4, 349860), (5, 279888), (6, 233240), (7, 199920), (8, 174930), (10, 139944), (12, 116620), (14, 99960), (15, 93296), (16, 87465), (17, 82320), (20, 69972), (21, 66640), (24, 58310), (28, 49980), (30, 46648), (34, 41160), (35, 39984), (40, 34986), (42, 33320), (48, 29155), (49, 28560), (51, 27440), (56, 24990), (60, 23324), (68, 20580), (70, 19992), (80, 17493), (84, 16660), (85, 16464), (98, 14280), (102, 13720), (105, 13328), (112, 12495), (119, 11760), (120, 11662), (136, 10290), (140, 9996), (147, 9520), (168, 8330), (170, 8232), (196, 7140), (204, 6860), (210, 6664), (238, 5880), (240, 5831), (245, 5712), (255, 5488), (272, 5145), (280, 4998), (294, 4760), (336, 4165), (340, 4116), (343, 4080), (357, 3920), (392, 3570), (408, 3430), (420, 3332), (476, 2940), (490, 2856), (510, 2744), (560, 2499), (588, 2380), (595, 2352), (680, 2058), (686, 2040), (714, 1960), (735, 1904), (784, 1785), (816, 1715), (833, 1680), (840, 1666), (952, 1470), (980, 1428), (1020, 1372), (1029, 1360), (1176, 1190)]