15750640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 22818320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 59, 71, 80, 94, 118, 142, 188, 235, 236, 284, 295, 355, 376, 470, 472, 568, 590, 710, 752, 940, 944, 1136, 1180, 1420, 1880, 2360, 2773, 2840, 3337, 3760, 4189, 4720, 5546, 5680, 6674, 8378, 11092, 13348, 13865, 16685, 16756, 20945, 22184, 26696, 27730, 33370, 33512, 41890, 44368, 53392, 55460, 66740, 67024, 83780, 110920, 133480, 167560, 196883, 221840, 266960, 335120, 393766, 787532, 984415, 1575064, 1968830, 3150128, 3937660, 7875320, 15750640]

約数ペア:

[(1, 15750640), (2, 7875320), (4, 3937660), (5, 3150128), (8, 1968830), (10, 1575064), (16, 984415), (20, 787532), (40, 393766), (47, 335120), (59, 266960), (71, 221840), (80, 196883), (94, 167560), (118, 133480), (142, 110920), (188, 83780), (235, 67024), (236, 66740), (284, 55460), (295, 53392), (355, 44368), (376, 41890), (470, 33512), (472, 33370), (568, 27730), (590, 26696), (710, 22184), (752, 20945), (940, 16756), (944, 16685), (1136, 13865), (1180, 13348), (1420, 11092), (1880, 8378), (2360, 6674), (2773, 5680), (2840, 5546), (3337, 4720), (3760, 4189)]