1288033640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1\times {\mathrm{947}}^1$

素因数の和:1914

約数の個数: 64

約数和(自身を含む): 2982787200

約数和(自身を除く): 1694753560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 919, 947, 1480, 1838, 1894, 3676, 3788, 4595, 4735, 7352, 7576, 9190, 9470, 18380, 18940, 34003, 35039, 36760, 37880, 68006, 70078, 136012, 140156, 170015, 175195, 272024, 280312, 340030, 350390, 680060, 700780, 870293, 1360120, 1401560, 1740586, 3481172, 4351465, 6962344, 8702930, 17405860, 32200841, 34811720, 64401682, 128803364, 161004205, 257606728, 322008410, 644016820, 1288033640]

約数ペア:

[(1, 1288033640), (2, 644016820), (4, 322008410), (5, 257606728), (8, 161004205), (10, 128803364), (20, 64401682), (37, 34811720), (40, 32200841), (74, 17405860), (148, 8702930), (185, 6962344), (296, 4351465), (370, 3481172), (740, 1740586), (919, 1401560), (947, 1360120), (1480, 870293), (1838, 700780), (1894, 680060), (3676, 350390), (3788, 340030), (4595, 280312), (4735, 272024), (7352, 175195), (7576, 170015), (9190, 140156), (9470, 136012), (18380, 70078), (18940, 68006), (34003, 37880), (35039, 36760)]