85020780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109001}}^1$

素因数の和:109026

約数の個数: 48

約数和(自身を含む): 256372704

約数和(自身を除く): 171351924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 109001, 218002, 327003, 436004, 545005, 654006, 1090010, 1308012, 1417013, 1635015, 2180020, 2834026, 3270030, 4251039, 5668052, 6540060, 7085065, 8502078, 14170130, 17004156, 21255195, 28340260, 42510390, 85020780]

約数ペア:

[(1, 85020780), (2, 42510390), (3, 28340260), (4, 21255195), (5, 17004156), (6, 14170130), (10, 8502078), (12, 7085065), (13, 6540060), (15, 5668052), (20, 4251039), (26, 3270030), (30, 2834026), (39, 2180020), (52, 1635015), (60, 1417013), (65, 1308012), (78, 1090010), (130, 654006), (156, 545005), (195, 436004), (260, 327003), (390, 218002), (780, 109001)]