161562420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5717}}^1$

素因数の和:5889

約数の個数: 72

約数和(自身を含む): 493280424

約数和(自身を除く): 331718004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 5717, 7065, 9420, 11434, 14130, 17151, 22868, 28260, 28585, 34302, 51453, 57170, 68604, 85755, 102906, 114340, 171510, 205812, 257265, 343020, 514530, 897569, 1029060, 1795138, 2692707, 3590276, 4487845, 5385414, 8078121, 8975690, 10770828, 13463535, 16156242, 17951380, 26927070, 32312484, 40390605, 53854140, 80781210, 161562420]

約数ペア:

[(1, 161562420), (2, 80781210), (3, 53854140), (4, 40390605), (5, 32312484), (6, 26927070), (9, 17951380), (10, 16156242), (12, 13463535), (15, 10770828), (18, 8975690), (20, 8078121), (30, 5385414), (36, 4487845), (45, 3590276), (60, 2692707), (90, 1795138), (157, 1029060), (180, 897569), (314, 514530), (471, 343020), (628, 257265), (785, 205812), (942, 171510), (1413, 114340), (1570, 102906), (1884, 85755), (2355, 68604), (2826, 57170), (3140, 51453), (4710, 34302), (5652, 28585), (5717, 28260), (7065, 22868), (9420, 17151), (11434, 14130)]