30889560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19828

約数の個数: 64

約数和(自身を含む): 99802080

約数和(自身を除く): 68912520

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, 19801, 39602, 59403, 79204, 99005, 118806, 158408, 198010, 237612, 257413, 297015, 396020, 475224, 514826, 594030, 772239, 792040, 1029652, 1188060, 1287065, 1544478, 2059304, 2376120, 2574130, 3088956, 3861195, 5148260, 6177912, 7722390, 10296520, 15444780, 30889560]

約数ペア:

[(1, 30889560), (2, 15444780), (3, 10296520), (4, 7722390), (5, 6177912), (6, 5148260), (8, 3861195), (10, 3088956), (12, 2574130), (13, 2376120), (15, 2059304), (20, 1544478), (24, 1287065), (26, 1188060), (30, 1029652), (39, 792040), (40, 772239), (52, 594030), (60, 514826), (65, 475224), (78, 396020), (104, 297015), (120, 257413), (130, 237612), (156, 198010), (195, 158408), (260, 118806), (312, 99005), (390, 79204), (520, 59403), (780, 39602), (1560, 19801)]