79561560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51001}}^1$

素因数の和:51028

約数の個数: 64

約数和(自身を含む): 257050080

約数和(自身を除く): 177488520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51001, 102002, 153003, 204004, 255005, 306006, 408008, 510010, 612012, 663013, 765015, 1020020, 1224024, 1326026, 1530030, 1989039, 2040040, 2652052, 3060060, 3315065, 3978078, 5304104, 6120120, 6630130, 7956156, 9945195, 13260260, 15912312, 19890390, 26520520, 39780780, 79561560]

約数ペア:

[(1, 79561560), (2, 39780780), (3, 26520520), (4, 19890390), (5, 15912312), (6, 13260260), (8, 9945195), (10, 7956156), (12, 6630130), (13, 6120120), (15, 5304104), (20, 3978078), (24, 3315065), (26, 3060060), (30, 2652052), (39, 2040040), (40, 1989039), (52, 1530030), (60, 1326026), (65, 1224024), (78, 1020020), (104, 765015), (120, 663013), (130, 612012), (156, 510010), (195, 408008), (260, 306006), (312, 255005), (390, 204004), (520, 153003), (780, 102002), (1560, 51001)]