1291345320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{51001}}^1$

素因数の和:51226

約数の個数: 64

約数和(自身を含む): 3892472640

約数和(自身を除く): 2601127320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 12660, 25320, 51001, 102002, 153003, 204004, 255005, 306006, 408008, 510010, 612012, 765015, 1020020, 1224024, 1530030, 2040040, 3060060, 6120120, 10761211, 21522422, 32283633, 43044844, 53806055, 64567266, 86089688, 107612110, 129134532, 161418165, 215224220, 258269064, 322836330, 430448440, 645672660, 1291345320]

約数ペア:

[(1, 1291345320), (2, 645672660), (3, 430448440), (4, 322836330), (5, 258269064), (6, 215224220), (8, 161418165), (10, 129134532), (12, 107612110), (15, 86089688), (20, 64567266), (24, 53806055), (30, 43044844), (40, 32283633), (60, 21522422), (120, 10761211), (211, 6120120), (422, 3060060), (633, 2040040), (844, 1530030), (1055, 1224024), (1266, 1020020), (1688, 765015), (2110, 612012), (2532, 510010), (3165, 408008), (4220, 306006), (5064, 255005), (6330, 204004), (8440, 153003), (12660, 102002), (25320, 51001)]