15721151448

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1\times {\mathrm{21149}}^1$

素因数の和:21864

約数の個数: 64

約数和(自身を含む): 40201920000

約数和(自身を除く): 24480768552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 659, 1128, 1318, 1977, 2636, 3954, 5272, 7908, 15816, 21149, 30973, 42298, 61946, 63447, 84596, 92919, 123892, 126894, 169192, 185838, 247784, 253788, 371676, 507576, 743352, 994003, 1988006, 2982009, 3976012, 5964018, 7952024, 11928036, 13937191, 23856072, 27874382, 41811573, 55748764, 83623146, 111497528, 167246292, 334492584, 655047977, 1310095954, 1965143931, 2620191908, 3930287862, 5240383816, 7860575724, 15721151448]

約数ペア:

[(1, 15721151448), (2, 7860575724), (3, 5240383816), (4, 3930287862), (6, 2620191908), (8, 1965143931), (12, 1310095954), (24, 655047977), (47, 334492584), (94, 167246292), (141, 111497528), (188, 83623146), (282, 55748764), (376, 41811573), (564, 27874382), (659, 23856072), (1128, 13937191), (1318, 11928036), (1977, 7952024), (2636, 5964018), (3954, 3976012), (5272, 2982009), (7908, 1988006), (15816, 994003), (21149, 743352), (30973, 507576), (42298, 371676), (61946, 253788), (63447, 247784), (84596, 185838), (92919, 169192), (123892, 126894)]