135871280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1362

約数の個数: 80

約数和(自身を含む): 337478400

約数和(自身を除く): 201607120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1259, 1349, 1420, 1520, 2518, 2698, 2840, 5036, 5396, 5680, 6295, 6745, 10072, 10792, 12590, 13490, 20144, 21584, 23921, 25180, 26980, 47842, 50360, 53960, 89389, 95684, 100720, 107920, 119605, 178778, 191368, 239210, 357556, 382736, 446945, 478420, 715112, 893890, 956840, 1430224, 1698391, 1787780, 1913680, 3396782, 3575560, 6793564, 7151120, 8491955, 13587128, 16983910, 27174256, 33967820, 67935640, 135871280]

約数ペア:

[(1, 135871280), (2, 67935640), (4, 33967820), (5, 27174256), (8, 16983910), (10, 13587128), (16, 8491955), (19, 7151120), (20, 6793564), (38, 3575560), (40, 3396782), (71, 1913680), (76, 1787780), (80, 1698391), (95, 1430224), (142, 956840), (152, 893890), (190, 715112), (284, 478420), (304, 446945), (355, 382736), (380, 357556), (568, 239210), (710, 191368), (760, 178778), (1136, 119605), (1259, 107920), (1349, 100720), (1420, 95684), (1520, 89389), (2518, 53960), (2698, 50360), (2840, 47842), (5036, 26980), (5396, 25180), (5680, 23921), (6295, 21584), (6745, 20144), (10072, 13490), (10792, 12590)]