281072520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9883}}^1$

素因数の和:9979

約数の個数: 96

約数和(自身を含む): 925142400

約数和(自身を除く): 644069880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 4740, 5688, 7110, 9480, 9883, 14220, 19766, 28440, 29649, 39532, 49415, 59298, 79064, 88947, 98830, 118596, 148245, 177894, 197660, 237192, 296490, 355788, 395320, 444735, 592980, 711576, 780757, 889470, 1185960, 1561514, 1778940, 2342271, 3123028, 3557880, 3903785, 4684542, 6246056, 7026813, 7807570, 9369084, 11711355, 14053626, 15615140, 18738168, 23422710, 28107252, 31230280, 35134065, 46845420, 56214504, 70268130, 93690840, 140536260, 281072520]

約数ペア:

[(1, 281072520), (2, 140536260), (3, 93690840), (4, 70268130), (5, 56214504), (6, 46845420), (8, 35134065), (9, 31230280), (10, 28107252), (12, 23422710), (15, 18738168), (18, 15615140), (20, 14053626), (24, 11711355), (30, 9369084), (36, 7807570), (40, 7026813), (45, 6246056), (60, 4684542), (72, 3903785), (79, 3557880), (90, 3123028), (120, 2342271), (158, 1778940), (180, 1561514), (237, 1185960), (316, 889470), (360, 780757), (395, 711576), (474, 592980), (632, 444735), (711, 395320), (790, 355788), (948, 296490), (1185, 237192), (1422, 197660), (1580, 177894), (1896, 148245), (2370, 118596), (2844, 98830), (3160, 88947), (3555, 79064), (4740, 59298), (5688, 49415), (7110, 39532), (9480, 29649), (9883, 28440), (14220, 19766)]