918830080

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 176

約数和(自身を含む): 2603390976

約数和(自身を除く): 1684560896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 827, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1654, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 3308, 3472, 3584, 3968, 4135, 4340, 4480, 4960, 5120, 5789, 6616, 6944, 7168, 7936, 8270, 8680, 8960, 9920, 11578, 13232, 13888, 15872, 16540, 17360, 17920, 19840, 23156, 25637, 26464, 27776, 28945, 31744, 33080, 34720, 35840, 39680, 46312, 51274, 52928, 55552, 57890, 66160, 69440, 79360, 92624, 102548, 105856, 111104, 115780, 128185, 132320, 138880, 158720, 179459, 185248, 205096, 211712, 222208, 231560, 256370, 264640, 277760, 358918, 370496, 410192, 423424, 463120, 512740, 529280, 555520, 717836, 740992, 820384, 846848, 897295, 926240, 1025480, 1058560, 1111040, 1435672, 1481984, 1640768, 1794590, 1852480, 2050960, 2117120, 2871344, 2963968, 3281536, 3589180, 3704960, 4101920, 4234240, 5742688, 5927936, 6563072, 7178360, 7409920, 8203840, 11485376, 13126144, 14356720, 14819840, 16407680, 22970752, 26252288, 28713440, 29639680, 32815360, 45941504, 57426880, 65630720, 91883008, 114853760, 131261440, 183766016, 229707520, 459415040, 918830080]

約数ペア:

[(1, 918830080), (2, 459415040), (4, 229707520), (5, 183766016), (7, 131261440), (8, 114853760), (10, 91883008), (14, 65630720), (16, 57426880), (20, 45941504), (28, 32815360), (31, 29639680), (32, 28713440), (35, 26252288), (40, 22970752), (56, 16407680), (62, 14819840), (64, 14356720), (70, 13126144), (80, 11485376), (112, 8203840), (124, 7409920), (128, 7178360), (140, 6563072), (155, 5927936), (160, 5742688), (217, 4234240), (224, 4101920), (248, 3704960), (256, 3589180), (280, 3281536), (310, 2963968), (320, 2871344), (434, 2117120), (448, 2050960), (496, 1852480), (512, 1794590), (560, 1640768), (620, 1481984), (640, 1435672), (827, 1111040), (868, 1058560), (896, 1025480), (992, 926240), (1024, 897295), (1085, 846848), (1120, 820384), (1240, 740992), (1280, 717836), (1654, 555520), (1736, 529280), (1792, 512740), (1984, 463120), (2170, 423424), (2240, 410192), (2480, 370496), (2560, 358918), (3308, 277760), (3472, 264640), (3584, 256370), (3968, 231560), (4135, 222208), (4340, 211712), (4480, 205096), (4960, 185248), (5120, 179459), (5789, 158720), (6616, 138880), (6944, 132320), (7168, 128185), (7936, 115780), (8270, 111104), (8680, 105856), (8960, 102548), (9920, 92624), (11578, 79360), (13232, 69440), (13888, 66160), (15872, 57890), (16540, 55552), (17360, 52928), (17920, 51274), (19840, 46312), (23156, 39680), (25637, 35840), (26464, 34720), (27776, 33080), (28945, 31744)]