1297766640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{174431}}^1$

素因数の和:174478

約数の個数: 80

約数和(自身を含む): 4152877056

約数和(自身を除く): 2855110416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 174431, 348862, 523293, 697724, 872155, 1046586, 1395448, 1744310, 2093172, 2616465, 2790896, 3488620, 4186344, 5232930, 5407361, 6977240, 8372688, 10465860, 10814722, 13954480, 16222083, 20931720, 21629444, 27036805, 32444166, 41863440, 43258888, 54073610, 64888332, 81110415, 86517776, 108147220, 129776664, 162220830, 216294440, 259553328, 324441660, 432588880, 648883320, 1297766640]

約数ペア:

[(1, 1297766640), (2, 648883320), (3, 432588880), (4, 324441660), (5, 259553328), (6, 216294440), (8, 162220830), (10, 129776664), (12, 108147220), (15, 86517776), (16, 81110415), (20, 64888332), (24, 54073610), (30, 43258888), (31, 41863440), (40, 32444166), (48, 27036805), (60, 21629444), (62, 20931720), (80, 16222083), (93, 13954480), (120, 10814722), (124, 10465860), (155, 8372688), (186, 6977240), (240, 5407361), (248, 5232930), (310, 4186344), (372, 3488620), (465, 2790896), (496, 2616465), (620, 2093172), (744, 1744310), (930, 1395448), (1240, 1046586), (1488, 872155), (1860, 697724), (2480, 523293), (3720, 348862), (7440, 174431)]