12901520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 31872960

約数和(自身を除く): 18971440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 67, 80, 83, 116, 134, 145, 166, 232, 268, 290, 332, 335, 415, 464, 536, 580, 664, 670, 830, 1072, 1160, 1328, 1340, 1660, 1943, 2320, 2407, 2680, 3320, 3886, 4814, 5360, 5561, 6640, 7772, 9628, 9715, 11122, 12035, 15544, 19256, 19430, 22244, 24070, 27805, 31088, 38512, 38860, 44488, 48140, 55610, 77720, 88976, 96280, 111220, 155440, 161269, 192560, 222440, 322538, 444880, 645076, 806345, 1290152, 1612690, 2580304, 3225380, 6450760, 12901520]

約数ペア:

[(1, 12901520), (2, 6450760), (4, 3225380), (5, 2580304), (8, 1612690), (10, 1290152), (16, 806345), (20, 645076), (29, 444880), (40, 322538), (58, 222440), (67, 192560), (80, 161269), (83, 155440), (116, 111220), (134, 96280), (145, 88976), (166, 77720), (232, 55610), (268, 48140), (290, 44488), (332, 38860), (335, 38512), (415, 31088), (464, 27805), (536, 24070), (580, 22244), (664, 19430), (670, 19256), (830, 15544), (1072, 12035), (1160, 11122), (1328, 9715), (1340, 9628), (1660, 7772), (1943, 6640), (2320, 5561), (2407, 5360), (2680, 4814), (3320, 3886)]