61491880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 146188800

約数和(自身を除く): 84696920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 751, 890, 920, 1502, 1780, 2047, 3004, 3560, 3755, 4094, 6008, 7510, 8188, 10235, 15020, 16376, 17273, 20470, 30040, 34546, 40940, 66839, 69092, 81880, 86365, 133678, 138184, 172730, 267356, 334195, 345460, 534712, 668390, 690920, 1336780, 1537297, 2673560, 3074594, 6149188, 7686485, 12298376, 15372970, 30745940, 61491880]

約数ペア:

[(1, 61491880), (2, 30745940), (4, 15372970), (5, 12298376), (8, 7686485), (10, 6149188), (20, 3074594), (23, 2673560), (40, 1537297), (46, 1336780), (89, 690920), (92, 668390), (115, 534712), (178, 345460), (184, 334195), (230, 267356), (356, 172730), (445, 138184), (460, 133678), (712, 86365), (751, 81880), (890, 69092), (920, 66839), (1502, 40940), (1780, 34546), (2047, 30040), (3004, 20470), (3560, 17273), (3755, 16376), (4094, 15020), (6008, 10235), (7510, 8188)]