256988893980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{169919}}^1$

素因数の和:170228

約数の個数: 192

約数和(自身を含む): 888825692160

約数和(自身を除く): 631836798180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 277, 364, 390, 420, 455, 546, 554, 780, 831, 910, 1092, 1108, 1365, 1385, 1662, 1820, 1939, 2730, 2770, 3324, 3601, 3878, 4155, 5460, 5540, 5817, 7202, 7756, 8310, 9695, 10803, 11634, 14404, 16620, 18005, 19390, 21606, 23268, 25207, 29085, 36010, 38780, 43212, 50414, 54015, 58170, 72020, 75621, 100828, 108030, 116340, 126035, 151242, 169919, 216060, 252070, 302484, 339838, 378105, 504140, 509757, 679676, 756210, 849595, 1019514, 1189433, 1512420, 1699190, 2039028, 2208947, 2378866, 2548785, 3398380, 3568299, 4417894, 4757732, 5097570, 5947165, 6626841, 7136598, 8835788, 10195140, 11044735, 11894330, 13253682, 14273196, 15462629, 17841495, 22089470, 23788660, 26507364, 30925258, 33134205, 35682990, 44178940, 46387887, 47067563, 61850516, 66268410, 71365980, 77313145, 92775774, 94135126, 132536820, 141202689, 154626290, 185551548, 188270252, 231939435, 235337815, 282405378, 309252580, 329472941, 463878870, 470675630, 564810756, 611878319, 658945882, 706013445, 927757740, 941351260, 988418823, 1223756638, 1317891764, 1412026890, 1647364705, 1835634957, 1976837646, 2447513276, 2824053780, 3059391595, 3294729410, 3671269914, 3953675292, 4283148233, 4942094115, 6118783190, 6589458820, 7342539828, 8566296466, 9178174785, 9884188230, 12237566380, 12849444699, 17132592932, 18356349570, 19768376460, 21415741165, 25698889398, 36712699140, 42831482330, 51397778796, 64247223495, 85662964660, 128494446990, 256988893980]

約数ペア:

[(1, 256988893980), (2, 128494446990), (3, 85662964660), (4, 64247223495), (5, 51397778796), (6, 42831482330), (7, 36712699140), (10, 25698889398), (12, 21415741165), (13, 19768376460), (14, 18356349570), (15, 17132592932), (20, 12849444699), (21, 12237566380), (26, 9884188230), (28, 9178174785), (30, 8566296466), (35, 7342539828), (39, 6589458820), (42, 6118783190), (52, 4942094115), (60, 4283148233), (65, 3953675292), (70, 3671269914), (78, 3294729410), (84, 3059391595), (91, 2824053780), (105, 2447513276), (130, 1976837646), (140, 1835634957), (156, 1647364705), (182, 1412026890), (195, 1317891764), (210, 1223756638), (260, 988418823), (273, 941351260), (277, 927757740), (364, 706013445), (390, 658945882), (420, 611878319), (455, 564810756), (546, 470675630), (554, 463878870), (780, 329472941), (831, 309252580), (910, 282405378), (1092, 235337815), (1108, 231939435), (1365, 188270252), (1385, 185551548), (1662, 154626290), (1820, 141202689), (1939, 132536820), (2730, 94135126), (2770, 92775774), (3324, 77313145), (3601, 71365980), (3878, 66268410), (4155, 61850516), (5460, 47067563), (5540, 46387887), (5817, 44178940), (7202, 35682990), (7756, 33134205), (8310, 30925258), (9695, 26507364), (10803, 23788660), (11634, 22089470), (14404, 17841495), (16620, 15462629), (18005, 14273196), (19390, 13253682), (21606, 11894330), (23268, 11044735), (25207, 10195140), (29085, 8835788), (36010, 7136598), (38780, 6626841), (43212, 5947165), (50414, 5097570), (54015, 4757732), (58170, 4417894), (72020, 3568299), (75621, 3398380), (100828, 2548785), (108030, 2378866), (116340, 2208947), (126035, 2039028), (151242, 1699190), (169919, 1512420), (216060, 1189433), (252070, 1019514), (302484, 849595), (339838, 756210), (378105, 679676), (504140, 509757)]