1820471760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{563}}^1$

素因数の和:1087

約数の個数: 200

約数和(自身を含む): 6346692000

約数和(自身を除く): 4526220240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 499, 540, 563, 648, 720, 810, 998, 1080, 1126, 1296, 1497, 1620, 1689, 1996, 2160, 2252, 2495, 2815, 2994, 3240, 3378, 3992, 4491, 4504, 4990, 5067, 5630, 5988, 6480, 6756, 7485, 7984, 8445, 8982, 9008, 9980, 10134, 11260, 11976, 13473, 13512, 14970, 15201, 16890, 17964, 19960, 20268, 22455, 22520, 23952, 25335, 26946, 27024, 29940, 30402, 33780, 35928, 39920, 40419, 40536, 44910, 45040, 45603, 50670, 53892, 59880, 60804, 67365, 67560, 71856, 76005, 80838, 81072, 89820, 91206, 101340, 107784, 119760, 121608, 134730, 135120, 152010, 161676, 179640, 182412, 202095, 202680, 215568, 228015, 243216, 269460, 280937, 304020, 323352, 359280, 364824, 404190, 405360, 456030, 538920, 561874, 608040, 646704, 729648, 808380, 842811, 912060, 1077840, 1123748, 1216080, 1404685, 1616760, 1685622, 1824120, 2247496, 2528433, 2809370, 3233520, 3371244, 3648240, 4214055, 4494992, 5056866, 5618740, 6742488, 7585299, 8428110, 10113732, 11237480, 12642165, 13484976, 15170598, 16856220, 20227464, 22474960, 22755897, 25284330, 30341196, 33712440, 37926495, 40454928, 45511794, 50568660, 60682392, 67424880, 75852990, 91023588, 101137320, 113779485, 121364784, 151705980, 182047176, 202274640, 227558970, 303411960, 364094352, 455117940, 606823920, 910235880, 1820471760]

約数ペア:

[(1, 1820471760), (2, 910235880), (3, 606823920), (4, 455117940), (5, 364094352), (6, 303411960), (8, 227558970), (9, 202274640), (10, 182047176), (12, 151705980), (15, 121364784), (16, 113779485), (18, 101137320), (20, 91023588), (24, 75852990), (27, 67424880), (30, 60682392), (36, 50568660), (40, 45511794), (45, 40454928), (48, 37926495), (54, 33712440), (60, 30341196), (72, 25284330), (80, 22755897), (81, 22474960), (90, 20227464), (108, 16856220), (120, 15170598), (135, 13484976), (144, 12642165), (162, 11237480), (180, 10113732), (216, 8428110), (240, 7585299), (270, 6742488), (324, 5618740), (360, 5056866), (405, 4494992), (432, 4214055), (499, 3648240), (540, 3371244), (563, 3233520), (648, 2809370), (720, 2528433), (810, 2247496), (998, 1824120), (1080, 1685622), (1126, 1616760), (1296, 1404685), (1497, 1216080), (1620, 1123748), (1689, 1077840), (1996, 912060), (2160, 842811), (2252, 808380), (2495, 729648), (2815, 646704), (2994, 608040), (3240, 561874), (3378, 538920), (3992, 456030), (4491, 405360), (4504, 404190), (4990, 364824), (5067, 359280), (5630, 323352), (5988, 304020), (6480, 280937), (6756, 269460), (7485, 243216), (7984, 228015), (8445, 215568), (8982, 202680), (9008, 202095), (9980, 182412), (10134, 179640), (11260, 161676), (11976, 152010), (13473, 135120), (13512, 134730), (14970, 121608), (15201, 119760), (16890, 107784), (17964, 101340), (19960, 91206), (20268, 89820), (22455, 81072), (22520, 80838), (23952, 76005), (25335, 71856), (26946, 67560), (27024, 67365), (29940, 60804), (30402, 59880), (33780, 53892), (35928, 50670), (39920, 45603), (40419, 45040), (40536, 44910)]