159483320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 371083680

約数和(自身を除く): 211600360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 197, 296, 370, 394, 547, 740, 788, 985, 1094, 1480, 1576, 1970, 2188, 2735, 3940, 4376, 5470, 7289, 7880, 10940, 14578, 20239, 21880, 29156, 36445, 40478, 58312, 72890, 80956, 101195, 107759, 145780, 161912, 202390, 215518, 291560, 404780, 431036, 538795, 809560, 862072, 1077590, 2155180, 3987083, 4310360, 7974166, 15948332, 19935415, 31896664, 39870830, 79741660, 159483320]

約数ペア:

[(1, 159483320), (2, 79741660), (4, 39870830), (5, 31896664), (8, 19935415), (10, 15948332), (20, 7974166), (37, 4310360), (40, 3987083), (74, 2155180), (148, 1077590), (185, 862072), (197, 809560), (296, 538795), (370, 431036), (394, 404780), (547, 291560), (740, 215518), (788, 202390), (985, 161912), (1094, 145780), (1480, 107759), (1576, 101195), (1970, 80956), (2188, 72890), (2735, 58312), (3940, 40478), (4376, 36445), (5470, 29156), (7289, 21880), (7880, 20239), (10940, 14578)]