153916980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21557}}^1$

素因数の和:21593

約数の個数: 96

約数和(自身を含む): 521531136

約数和(自身を除く): 367614156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 21557, 43114, 64671, 86228, 107785, 129342, 150899, 215570, 258684, 301798, 323355, 366469, 431140, 452697, 603596, 646710, 732938, 754495, 905394, 1099407, 1293420, 1465876, 1508990, 1810788, 1832345, 2198814, 2263485, 2565283, 3017980, 3664690, 4397628, 4526970, 5130566, 5497035, 7329380, 7695849, 9053940, 10261132, 10994070, 12826415, 15391698, 21988140, 25652830, 30783396, 38479245, 51305660, 76958490, 153916980]

約数ペア:

[(1, 153916980), (2, 76958490), (3, 51305660), (4, 38479245), (5, 30783396), (6, 25652830), (7, 21988140), (10, 15391698), (12, 12826415), (14, 10994070), (15, 10261132), (17, 9053940), (20, 7695849), (21, 7329380), (28, 5497035), (30, 5130566), (34, 4526970), (35, 4397628), (42, 3664690), (51, 3017980), (60, 2565283), (68, 2263485), (70, 2198814), (84, 1832345), (85, 1810788), (102, 1508990), (105, 1465876), (119, 1293420), (140, 1099407), (170, 905394), (204, 754495), (210, 732938), (238, 646710), (255, 603596), (340, 452697), (357, 431140), (420, 366469), (476, 323355), (510, 301798), (595, 258684), (714, 215570), (1020, 150899), (1190, 129342), (1428, 107785), (1785, 86228), (2380, 64671), (3570, 43114), (7140, 21557)]