216709920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21499}}^1$

素因数の和:21527

約数の個数: 144

約数和(自身を含む): 845208000

約数和(自身を除く): 628498080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21499, 42998, 64497, 85996, 107495, 128994, 150493, 171992, 193491, 214990, 257988, 300986, 322485, 343984, 386982, 429980, 451479, 515976, 601972, 644970, 687968, 752465, 773964, 859960, 902958, 967455, 1031952, 1203944, 1289940, 1354437, 1504930, 1547928, 1719920, 1805916, 1934910, 2063904, 2257395, 2407888, 2579880, 2708874, 3009860, 3095856, 3439840, 3611832, 3869820, 4514790, 4815776, 5159760, 5417748, 6019720, 6191712, 6772185, 7223664, 7739640, 9029580, 10319520, 10835496, 12039440, 13544370, 14447328, 15479280, 18059160, 21670992, 24078880, 27088740, 30958560, 36118320, 43341984, 54177480, 72236640, 108354960, 216709920]

約数ペア:

[(1, 216709920), (2, 108354960), (3, 72236640), (4, 54177480), (5, 43341984), (6, 36118320), (7, 30958560), (8, 27088740), (9, 24078880), (10, 21670992), (12, 18059160), (14, 15479280), (15, 14447328), (16, 13544370), (18, 12039440), (20, 10835496), (21, 10319520), (24, 9029580), (28, 7739640), (30, 7223664), (32, 6772185), (35, 6191712), (36, 6019720), (40, 5417748), (42, 5159760), (45, 4815776), (48, 4514790), (56, 3869820), (60, 3611832), (63, 3439840), (70, 3095856), (72, 3009860), (80, 2708874), (84, 2579880), (90, 2407888), (96, 2257395), (105, 2063904), (112, 1934910), (120, 1805916), (126, 1719920), (140, 1547928), (144, 1504930), (160, 1354437), (168, 1289940), (180, 1203944), (210, 1031952), (224, 967455), (240, 902958), (252, 859960), (280, 773964), (288, 752465), (315, 687968), (336, 644970), (360, 601972), (420, 515976), (480, 451479), (504, 429980), (560, 386982), (630, 343984), (672, 322485), (720, 300986), (840, 257988), (1008, 214990), (1120, 193491), (1260, 171992), (1440, 150493), (1680, 128994), (2016, 107495), (2520, 85996), (3360, 64497), (5040, 42998), (10080, 21499)]