221567640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1381}}^1$

素因数の和:1593

約数の個数: 128

約数和(自身を含む): 764190720

約数和(自身を除く): 542623080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 191, 210, 280, 382, 420, 573, 764, 840, 955, 1146, 1337, 1381, 1528, 1910, 2292, 2674, 2762, 2865, 3820, 4011, 4143, 4584, 5348, 5524, 5730, 6685, 6905, 7640, 8022, 8286, 9667, 10696, 11048, 11460, 13370, 13810, 16044, 16572, 19334, 20055, 20715, 22920, 26740, 27620, 29001, 32088, 33144, 38668, 40110, 41430, 48335, 53480, 55240, 58002, 77336, 80220, 82860, 96670, 116004, 145005, 160440, 165720, 193340, 232008, 263771, 290010, 386680, 527542, 580020, 791313, 1055084, 1160040, 1318855, 1582626, 1846397, 2110168, 2637710, 3165252, 3692794, 3956565, 5275420, 5539191, 6330504, 7385588, 7913130, 9231985, 10550840, 11078382, 14771176, 15826260, 18463970, 22156764, 27695955, 31652520, 36927940, 44313528, 55391910, 73855880, 110783820, 221567640]

約数ペア:

[(1, 221567640), (2, 110783820), (3, 73855880), (4, 55391910), (5, 44313528), (6, 36927940), (7, 31652520), (8, 27695955), (10, 22156764), (12, 18463970), (14, 15826260), (15, 14771176), (20, 11078382), (21, 10550840), (24, 9231985), (28, 7913130), (30, 7385588), (35, 6330504), (40, 5539191), (42, 5275420), (56, 3956565), (60, 3692794), (70, 3165252), (84, 2637710), (105, 2110168), (120, 1846397), (140, 1582626), (168, 1318855), (191, 1160040), (210, 1055084), (280, 791313), (382, 580020), (420, 527542), (573, 386680), (764, 290010), (840, 263771), (955, 232008), (1146, 193340), (1337, 165720), (1381, 160440), (1528, 145005), (1910, 116004), (2292, 96670), (2674, 82860), (2762, 80220), (2865, 77336), (3820, 58002), (4011, 55240), (4143, 53480), (4584, 48335), (5348, 41430), (5524, 40110), (5730, 38668), (6685, 33144), (6905, 32088), (7640, 29001), (8022, 27620), (8286, 26740), (9667, 22920), (10696, 20715), (11048, 20055), (11460, 19334), (13370, 16572), (13810, 16044)]