1915204860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:820

約数の個数: 144

約数和(自身を含む): 5907283200

約数和(自身を除く): 3992078340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 229, 291, 388, 458, 479, 485, 582, 687, 873, 916, 958, 970, 1145, 1164, 1374, 1437, 1455, 1746, 1916, 1940, 2061, 2290, 2395, 2748, 2874, 2910, 3435, 3492, 4122, 4311, 4365, 4580, 4790, 5748, 5820, 6870, 7185, 8244, 8622, 8730, 9580, 10305, 13740, 14370, 17244, 17460, 20610, 21555, 22213, 28740, 41220, 43110, 44426, 46463, 66639, 86220, 88852, 92926, 109691, 111065, 133278, 139389, 185852, 199917, 219382, 222130, 232315, 266556, 278778, 329073, 333195, 399834, 418167, 438764, 444260, 464630, 548455, 557556, 658146, 666390, 696945, 799668, 836334, 929260, 987219, 999585, 1096910, 1316292, 1332780, 1393890, 1645365, 1672668, 1974438, 1999170, 2090835, 2193820, 2787780, 3290730, 3948876, 3998340, 4181670, 4936095, 6581460, 8363340, 9872190, 10640027, 19744380, 21280054, 31920081, 42560108, 53200135, 63840162, 95760243, 106400270, 127680324, 159600405, 191520486, 212800540, 319200810, 383040972, 478801215, 638401620, 957602430, 1915204860]

約数ペア:

[(1, 1915204860), (2, 957602430), (3, 638401620), (4, 478801215), (5, 383040972), (6, 319200810), (9, 212800540), (10, 191520486), (12, 159600405), (15, 127680324), (18, 106400270), (20, 95760243), (30, 63840162), (36, 53200135), (45, 42560108), (60, 31920081), (90, 21280054), (97, 19744380), (180, 10640027), (194, 9872190), (229, 8363340), (291, 6581460), (388, 4936095), (458, 4181670), (479, 3998340), (485, 3948876), (582, 3290730), (687, 2787780), (873, 2193820), (916, 2090835), (958, 1999170), (970, 1974438), (1145, 1672668), (1164, 1645365), (1374, 1393890), (1437, 1332780), (1455, 1316292), (1746, 1096910), (1916, 999585), (1940, 987219), (2061, 929260), (2290, 836334), (2395, 799668), (2748, 696945), (2874, 666390), (2910, 658146), (3435, 557556), (3492, 548455), (4122, 464630), (4311, 444260), (4365, 438764), (4580, 418167), (4790, 399834), (5748, 333195), (5820, 329073), (6870, 278778), (7185, 266556), (8244, 232315), (8622, 222130), (8730, 219382), (9580, 199917), (10305, 185852), (13740, 139389), (14370, 133278), (17244, 111065), (17460, 109691), (20610, 92926), (21555, 88852), (22213, 86220), (28740, 66639), (41220, 46463), (43110, 44426)]