67701920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 190035720

約数和(自身を除く): 122333800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 269, 286, 352, 416, 440, 484, 520, 538, 572, 605, 715, 880, 968, 1040, 1076, 1144, 1210, 1345, 1430, 1573, 1760, 1936, 2080, 2152, 2288, 2420, 2690, 2860, 2959, 3146, 3497, 3872, 4304, 4576, 4840, 5380, 5720, 5918, 6292, 6994, 7865, 8608, 9680, 10760, 11440, 11836, 12584, 13988, 14795, 15730, 17485, 19360, 21520, 22880, 23672, 25168, 27976, 29590, 31460, 32549, 34970, 38467, 43040, 47344, 50336, 55952, 59180, 62920, 65098, 69940, 76934, 94688, 111904, 118360, 125840, 130196, 139880, 153868, 162745, 192335, 236720, 251680, 260392, 279760, 307736, 325490, 384670, 423137, 473440, 520784, 559520, 615472, 650980, 769340, 846274, 1041568, 1230944, 1301960, 1538680, 1692548, 2115685, 2603920, 3077360, 3385096, 4231370, 5207840, 6154720, 6770192, 8462740, 13540384, 16925480, 33850960, 67701920]

約数ペア:

[(1, 67701920), (2, 33850960), (4, 16925480), (5, 13540384), (8, 8462740), (10, 6770192), (11, 6154720), (13, 5207840), (16, 4231370), (20, 3385096), (22, 3077360), (26, 2603920), (32, 2115685), (40, 1692548), (44, 1538680), (52, 1301960), (55, 1230944), (65, 1041568), (80, 846274), (88, 769340), (104, 650980), (110, 615472), (121, 559520), (130, 520784), (143, 473440), (160, 423137), (176, 384670), (208, 325490), (220, 307736), (242, 279760), (260, 260392), (269, 251680), (286, 236720), (352, 192335), (416, 162745), (440, 153868), (484, 139880), (520, 130196), (538, 125840), (572, 118360), (605, 111904), (715, 94688), (880, 76934), (968, 69940), (1040, 65098), (1076, 62920), (1144, 59180), (1210, 55952), (1345, 50336), (1430, 47344), (1573, 43040), (1760, 38467), (1936, 34970), (2080, 32549), (2152, 31460), (2288, 29590), (2420, 27976), (2690, 25168), (2860, 23672), (2959, 22880), (3146, 21520), (3497, 19360), (3872, 17485), (4304, 15730), (4576, 14795), (4840, 13988), (5380, 12584), (5720, 11836), (5918, 11440), (6292, 10760), (6994, 9680), (7865, 8608)]