280809320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 727056000

約数和(自身を除く): 446246680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 59, 88, 110, 116, 118, 145, 220, 232, 236, 290, 295, 319, 373, 440, 472, 580, 590, 638, 649, 746, 1160, 1180, 1276, 1298, 1492, 1595, 1711, 1865, 2360, 2552, 2596, 2984, 3190, 3245, 3422, 3730, 4103, 5192, 6380, 6490, 6844, 7460, 8206, 8555, 10817, 12760, 12980, 13688, 14920, 16412, 17110, 18821, 20515, 21634, 22007, 25960, 32824, 34220, 37642, 41030, 43268, 44014, 54085, 68440, 75284, 82060, 86536, 88028, 94105, 108170, 110035, 118987, 150568, 164120, 176056, 188210, 216340, 220070, 237974, 242077, 376420, 432680, 440140, 475948, 484154, 594935, 638203, 752840, 880280, 951896, 968308, 1189870, 1210385, 1276406, 1936616, 2379740, 2420770, 2552812, 3191015, 4759480, 4841540, 5105624, 6382030, 7020233, 9683080, 12764060, 14040466, 25528120, 28080932, 35101165, 56161864, 70202330, 140404660, 280809320]

約数ペア:

[(1, 280809320), (2, 140404660), (4, 70202330), (5, 56161864), (8, 35101165), (10, 28080932), (11, 25528120), (20, 14040466), (22, 12764060), (29, 9683080), (40, 7020233), (44, 6382030), (55, 5105624), (58, 4841540), (59, 4759480), (88, 3191015), (110, 2552812), (116, 2420770), (118, 2379740), (145, 1936616), (220, 1276406), (232, 1210385), (236, 1189870), (290, 968308), (295, 951896), (319, 880280), (373, 752840), (440, 638203), (472, 594935), (580, 484154), (590, 475948), (638, 440140), (649, 432680), (746, 376420), (1160, 242077), (1180, 237974), (1276, 220070), (1298, 216340), (1492, 188210), (1595, 176056), (1711, 164120), (1865, 150568), (2360, 118987), (2552, 110035), (2596, 108170), (2984, 94105), (3190, 88028), (3245, 86536), (3422, 82060), (3730, 75284), (4103, 68440), (5192, 54085), (6380, 44014), (6490, 43268), (6844, 41030), (7460, 37642), (8206, 34220), (8555, 32824), (10817, 25960), (12760, 22007), (12980, 21634), (13688, 20515), (14920, 18821), (16412, 17110)]