256095201320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{283}}^1\times {\mathrm{65957}}^1$

素因数の和:66272

約数の個数: 128

約数和(自身を含む): 674354592000

約数和(自身を除く): 418259390680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 283, 343, 392, 490, 566, 686, 980, 1132, 1372, 1415, 1715, 1960, 1981, 2264, 2744, 2830, 3430, 3962, 5660, 6860, 7924, 9905, 11320, 13720, 13867, 15848, 19810, 27734, 39620, 55468, 65957, 69335, 79240, 97069, 110936, 131914, 138670, 194138, 263828, 277340, 329785, 388276, 461699, 485345, 527656, 554680, 659570, 776552, 923398, 970690, 1319140, 1846796, 1941380, 2308495, 2638280, 3231893, 3693592, 3882760, 4616990, 6463786, 9233980, 12927572, 16159465, 18467960, 18665831, 22623251, 25855144, 32318930, 37331662, 45246502, 64637860, 74663324, 90493004, 93329155, 113116255, 129275720, 130660817, 149326648, 180986008, 186658310, 226232510, 261321634, 373316620, 452465020, 522643268, 653304085, 746633240, 904930040, 914625719, 1045286536, 1306608170, 1829251438, 2613216340, 3658502876, 4573128595, 5226432680, 6402380033, 7317005752, 9146257190, 12804760066, 18292514380, 25609520132, 32011900165, 36585028760, 51219040264, 64023800330, 128047600660, 256095201320]

約数ペア:

[(1, 256095201320), (2, 128047600660), (4, 64023800330), (5, 51219040264), (7, 36585028760), (8, 32011900165), (10, 25609520132), (14, 18292514380), (20, 12804760066), (28, 9146257190), (35, 7317005752), (40, 6402380033), (49, 5226432680), (56, 4573128595), (70, 3658502876), (98, 2613216340), (140, 1829251438), (196, 1306608170), (245, 1045286536), (280, 914625719), (283, 904930040), (343, 746633240), (392, 653304085), (490, 522643268), (566, 452465020), (686, 373316620), (980, 261321634), (1132, 226232510), (1372, 186658310), (1415, 180986008), (1715, 149326648), (1960, 130660817), (1981, 129275720), (2264, 113116255), (2744, 93329155), (2830, 90493004), (3430, 74663324), (3962, 64637860), (5660, 45246502), (6860, 37331662), (7924, 32318930), (9905, 25855144), (11320, 22623251), (13720, 18665831), (13867, 18467960), (15848, 16159465), (19810, 12927572), (27734, 9233980), (39620, 6463786), (55468, 4616990), (65957, 3882760), (69335, 3693592), (79240, 3231893), (97069, 2638280), (110936, 2308495), (131914, 1941380), (138670, 1846796), (194138, 1319140), (263828, 970690), (277340, 923398), (329785, 776552), (388276, 659570), (461699, 554680), (485345, 527656)]