680386140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17419}}^1$

素因数の和:17472

約数の個数: 144

約数和(自身を含む): 2434897920

約数和(自身を除く): 1754511780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 17419, 19530, 34838, 39060, 52257, 69676, 87095, 104514, 121933, 156771, 174190, 209028, 243866, 261285, 313542, 348380, 365799, 487732, 522570, 539989, 609665, 627084, 731598, 783855, 1045140, 1079978, 1097397, 1219330, 1463196, 1567710, 1619967, 1828995, 2159956, 2194794, 2438660, 2699945, 3135420, 3239934, 3657990, 3779923, 4389588, 4859901, 5399890, 5486985, 6479868, 7315980, 7559846, 8099835, 9719802, 10799780, 10973970, 11339769, 15119692, 16199670, 18899615, 19439604, 21947940, 22679538, 24299505, 32399340, 34019307, 37799230, 45359076, 48599010, 56698845, 68038614, 75598460, 97198020, 113397690, 136077228, 170096535, 226795380, 340193070, 680386140]

約数ペア:

[(1, 680386140), (2, 340193070), (3, 226795380), (4, 170096535), (5, 136077228), (6, 113397690), (7, 97198020), (9, 75598460), (10, 68038614), (12, 56698845), (14, 48599010), (15, 45359076), (18, 37799230), (20, 34019307), (21, 32399340), (28, 24299505), (30, 22679538), (31, 21947940), (35, 19439604), (36, 18899615), (42, 16199670), (45, 15119692), (60, 11339769), (62, 10973970), (63, 10799780), (70, 9719802), (84, 8099835), (90, 7559846), (93, 7315980), (105, 6479868), (124, 5486985), (126, 5399890), (140, 4859901), (155, 4389588), (180, 3779923), (186, 3657990), (210, 3239934), (217, 3135420), (252, 2699945), (279, 2438660), (310, 2194794), (315, 2159956), (372, 1828995), (420, 1619967), (434, 1567710), (465, 1463196), (558, 1219330), (620, 1097397), (630, 1079978), (651, 1045140), (868, 783855), (930, 731598), (1085, 627084), (1116, 609665), (1260, 539989), (1302, 522570), (1395, 487732), (1860, 365799), (1953, 348380), (2170, 313542), (2604, 261285), (2790, 243866), (3255, 209028), (3906, 174190), (4340, 156771), (5580, 121933), (6510, 104514), (7812, 87095), (9765, 69676), (13020, 52257), (17419, 39060), (19530, 34838)]