181796220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2399}}^1$

素因数の和:2835

約数の個数: 72

約数和(自身を含む): 552988800

約数和(自身を除く): 371192580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2399, 2526, 3789, 4210, 4798, 5052, 6315, 7197, 7578, 8420, 9596, 11995, 12630, 14394, 15156, 18945, 21591, 23990, 25260, 28788, 35985, 37890, 43182, 47980, 71970, 75780, 86364, 107955, 143940, 215910, 431820, 1009979, 2019958, 3029937, 4039916, 5049895, 6059874, 9089811, 10099790, 12119748, 15149685, 18179622, 20199580, 30299370, 36359244, 45449055, 60598740, 90898110, 181796220]

約数ペア:

[(1, 181796220), (2, 90898110), (3, 60598740), (4, 45449055), (5, 36359244), (6, 30299370), (9, 20199580), (10, 18179622), (12, 15149685), (15, 12119748), (18, 10099790), (20, 9089811), (30, 6059874), (36, 5049895), (45, 4039916), (60, 3029937), (90, 2019958), (180, 1009979), (421, 431820), (842, 215910), (1263, 143940), (1684, 107955), (2105, 86364), (2399, 75780), (2526, 71970), (3789, 47980), (4210, 43182), (4798, 37890), (5052, 35985), (6315, 28788), (7197, 25260), (7578, 23990), (8420, 21591), (9596, 18945), (11995, 15156), (12630, 14394)]