239869980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1499}}^1$

素因数の和:1648

約数の個数: 144

約数和(自身を含む): 838656000

約数和(自身を除く): 598786020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1499, 1524, 1778, 1905, 2286, 2540, 2667, 2998, 3556, 3810, 4445, 4497, 4572, 5334, 5715, 5996, 7495, 7620, 8001, 8890, 8994, 10493, 10668, 11430, 13335, 13491, 14990, 16002, 17780, 17988, 20986, 22485, 22860, 26670, 26982, 29980, 31479, 32004, 40005, 41972, 44970, 52465, 53340, 53964, 62958, 67455, 80010, 89940, 94437, 104930, 125916, 134910, 157395, 160020, 188874, 190373, 209860, 269820, 314790, 377748, 380746, 472185, 571119, 629580, 761492, 944370, 951865, 1142238, 1332611, 1713357, 1888740, 1903730, 2284476, 2665222, 2855595, 3426714, 3807460, 3997833, 5330444, 5711190, 6663055, 6853428, 7995666, 8566785, 11422380, 11993499, 13326110, 15991332, 17133570, 19989165, 23986998, 26652220, 34267140, 39978330, 47973996, 59967495, 79956660, 119934990, 239869980]

約数ペア:

[(1, 239869980), (2, 119934990), (3, 79956660), (4, 59967495), (5, 47973996), (6, 39978330), (7, 34267140), (9, 26652220), (10, 23986998), (12, 19989165), (14, 17133570), (15, 15991332), (18, 13326110), (20, 11993499), (21, 11422380), (28, 8566785), (30, 7995666), (35, 6853428), (36, 6663055), (42, 5711190), (45, 5330444), (60, 3997833), (63, 3807460), (70, 3426714), (84, 2855595), (90, 2665222), (105, 2284476), (126, 1903730), (127, 1888740), (140, 1713357), (180, 1332611), (210, 1142238), (252, 951865), (254, 944370), (315, 761492), (381, 629580), (420, 571119), (508, 472185), (630, 380746), (635, 377748), (762, 314790), (889, 269820), (1143, 209860), (1260, 190373), (1270, 188874), (1499, 160020), (1524, 157395), (1778, 134910), (1905, 125916), (2286, 104930), (2540, 94437), (2667, 89940), (2998, 80010), (3556, 67455), (3810, 62958), (4445, 53964), (4497, 53340), (4572, 52465), (5334, 44970), (5715, 41972), (5996, 40005), (7495, 32004), (7620, 31479), (8001, 29980), (8890, 26982), (8994, 26670), (10493, 22860), (10668, 22485), (11430, 20986), (13335, 17988), (13491, 17780), (14990, 16002)]