42008940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{557}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 127960560

約数和(自身を除く): 85951620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 557, 838, 1114, 1257, 1671, 1676, 2095, 2228, 2514, 2785, 3342, 3771, 4190, 5013, 5028, 5570, 6285, 6684, 7542, 8355, 8380, 10026, 11140, 12570, 15084, 16710, 18855, 20052, 25065, 25140, 33420, 37710, 50130, 75420, 100260, 233383, 466766, 700149, 933532, 1166915, 1400298, 2100447, 2333830, 2800596, 3500745, 4200894, 4667660, 7001490, 8401788, 10502235, 14002980, 21004470, 42008940]

約数ペア:

[(1, 42008940), (2, 21004470), (3, 14002980), (4, 10502235), (5, 8401788), (6, 7001490), (9, 4667660), (10, 4200894), (12, 3500745), (15, 2800596), (18, 2333830), (20, 2100447), (30, 1400298), (36, 1166915), (45, 933532), (60, 700149), (90, 466766), (180, 233383), (419, 100260), (557, 75420), (838, 50130), (1114, 37710), (1257, 33420), (1671, 25140), (1676, 25065), (2095, 20052), (2228, 18855), (2514, 16710), (2785, 15084), (3342, 12570), (3771, 11140), (4190, 10026), (5013, 8380), (5028, 8355), (5570, 7542), (6285, 6684)]