1254139720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{547}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 2987608320

約数和(自身を除く): 1733468600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 547, 620, 860, 1094, 1240, 1333, 1720, 1849, 2188, 2666, 2735, 3698, 4376, 5332, 5470, 6665, 7396, 9245, 10664, 10940, 13330, 14792, 16957, 18490, 21880, 23521, 26660, 33914, 36980, 47042, 53320, 57319, 67828, 73960, 84785, 94084, 114638, 117605, 135656, 169570, 188168, 229276, 235210, 286595, 339140, 458552, 470420, 573190, 678280, 729151, 940840, 1011403, 1146380, 1458302, 2022806, 2292760, 2916604, 3645755, 4045612, 5057015, 5833208, 7291510, 8091224, 10114030, 14583020, 20228060, 29166040, 31353493, 40456120, 62706986, 125413972, 156767465, 250827944, 313534930, 627069860, 1254139720]

約数ペア:

[(1, 1254139720), (2, 627069860), (4, 313534930), (5, 250827944), (8, 156767465), (10, 125413972), (20, 62706986), (31, 40456120), (40, 31353493), (43, 29166040), (62, 20228060), (86, 14583020), (124, 10114030), (155, 8091224), (172, 7291510), (215, 5833208), (248, 5057015), (310, 4045612), (344, 3645755), (430, 2916604), (547, 2292760), (620, 2022806), (860, 1458302), (1094, 1146380), (1240, 1011403), (1333, 940840), (1720, 729151), (1849, 678280), (2188, 573190), (2666, 470420), (2735, 458552), (3698, 339140), (4376, 286595), (5332, 235210), (5470, 229276), (6665, 188168), (7396, 169570), (9245, 135656), (10664, 117605), (10940, 114638), (13330, 94084), (14792, 84785), (16957, 73960), (18490, 67828), (21880, 57319), (23521, 53320), (26660, 47042), (33914, 36980)]