221290160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 160

約数和(自身を含む): 641208960

約数和(自身を除く): 419918800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 113, 130, 140, 182, 208, 226, 260, 269, 280, 364, 452, 455, 520, 538, 560, 565, 728, 791, 904, 910, 1040, 1076, 1130, 1345, 1456, 1469, 1582, 1808, 1820, 1883, 2152, 2260, 2690, 2938, 3164, 3497, 3640, 3766, 3955, 4304, 4520, 5380, 5876, 6328, 6994, 7280, 7345, 7532, 7910, 9040, 9415, 10283, 10760, 11752, 12656, 13988, 14690, 15064, 15820, 17485, 18830, 20566, 21520, 23504, 24479, 27976, 29380, 30128, 30397, 31640, 34970, 37660, 41132, 48958, 51415, 55952, 58760, 60794, 63280, 69940, 75320, 82264, 97916, 102830, 117520, 121588, 122395, 139880, 150640, 151985, 164528, 195832, 205660, 212779, 243176, 244790, 279760, 303970, 391664, 395161, 411320, 425558, 486352, 489580, 607940, 790322, 822640, 851116, 979160, 1063895, 1215880, 1580644, 1702232, 1958320, 1975805, 2127790, 2431760, 2766127, 3161288, 3404464, 3951610, 4255580, 5532254, 6322576, 7903220, 8511160, 11064508, 13830635, 15806440, 17022320, 22129016, 27661270, 31612880, 44258032, 55322540, 110645080, 221290160]

約数ペア:

[(1, 221290160), (2, 110645080), (4, 55322540), (5, 44258032), (7, 31612880), (8, 27661270), (10, 22129016), (13, 17022320), (14, 15806440), (16, 13830635), (20, 11064508), (26, 8511160), (28, 7903220), (35, 6322576), (40, 5532254), (52, 4255580), (56, 3951610), (65, 3404464), (70, 3161288), (80, 2766127), (91, 2431760), (104, 2127790), (112, 1975805), (113, 1958320), (130, 1702232), (140, 1580644), (182, 1215880), (208, 1063895), (226, 979160), (260, 851116), (269, 822640), (280, 790322), (364, 607940), (452, 489580), (455, 486352), (520, 425558), (538, 411320), (560, 395161), (565, 391664), (728, 303970), (791, 279760), (904, 244790), (910, 243176), (1040, 212779), (1076, 205660), (1130, 195832), (1345, 164528), (1456, 151985), (1469, 150640), (1582, 139880), (1808, 122395), (1820, 121588), (1883, 117520), (2152, 102830), (2260, 97916), (2690, 82264), (2938, 75320), (3164, 69940), (3497, 63280), (3640, 60794), (3766, 58760), (3955, 55952), (4304, 51415), (4520, 48958), (5380, 41132), (5876, 37660), (6328, 34970), (6994, 31640), (7280, 30397), (7345, 30128), (7532, 29380), (7910, 27976), (9040, 24479), (9415, 23504), (10283, 21520), (10760, 20566), (11752, 18830), (12656, 17485), (13988, 15820), (14690, 15064)]