172564840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 472320000

約数和(自身を除く): 299755160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 163, 190, 199, 266, 280, 326, 380, 398, 532, 652, 665, 760, 796, 815, 995, 1064, 1141, 1304, 1330, 1393, 1592, 1630, 1990, 2282, 2660, 2786, 3097, 3260, 3781, 3980, 4564, 5320, 5572, 5705, 6194, 6520, 6965, 7562, 7960, 9128, 11144, 11410, 12388, 13930, 15124, 15485, 18905, 21679, 22820, 24776, 26467, 27860, 30248, 30970, 32437, 37810, 43358, 45640, 52934, 55720, 61940, 64874, 75620, 86716, 105868, 108395, 123880, 129748, 132335, 151240, 162185, 173432, 211736, 216790, 227059, 259496, 264670, 324370, 433580, 454118, 529340, 616303, 648740, 867160, 908236, 1058680, 1135295, 1232606, 1297480, 1816472, 2270590, 2465212, 3081515, 4314121, 4541180, 4930424, 6163030, 8628242, 9082360, 12326060, 17256484, 21570605, 24652120, 34512968, 43141210, 86282420, 172564840]

約数ペア:

[(1, 172564840), (2, 86282420), (4, 43141210), (5, 34512968), (7, 24652120), (8, 21570605), (10, 17256484), (14, 12326060), (19, 9082360), (20, 8628242), (28, 6163030), (35, 4930424), (38, 4541180), (40, 4314121), (56, 3081515), (70, 2465212), (76, 2270590), (95, 1816472), (133, 1297480), (140, 1232606), (152, 1135295), (163, 1058680), (190, 908236), (199, 867160), (266, 648740), (280, 616303), (326, 529340), (380, 454118), (398, 433580), (532, 324370), (652, 264670), (665, 259496), (760, 227059), (796, 216790), (815, 211736), (995, 173432), (1064, 162185), (1141, 151240), (1304, 132335), (1330, 129748), (1393, 123880), (1592, 108395), (1630, 105868), (1990, 86716), (2282, 75620), (2660, 64874), (2786, 61940), (3097, 55720), (3260, 52934), (3781, 45640), (3980, 43358), (4564, 37810), (5320, 32437), (5572, 30970), (5705, 30248), (6194, 27860), (6520, 26467), (6965, 24776), (7562, 22820), (7960, 21679), (9128, 18905), (11144, 15485), (11410, 15124), (12388, 13930)]