131902380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10321}}^1$

素因数の和:10407

約数の個数: 72

約数和(自身を含む): 405778464

約数和(自身を除く): 273876084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 10321, 12780, 20642, 30963, 41284, 51605, 61926, 92889, 103210, 123852, 154815, 185778, 206420, 309630, 371556, 464445, 619260, 732791, 928890, 1465582, 1857780, 2198373, 2931164, 3663955, 4396746, 6595119, 7327910, 8793492, 10991865, 13190238, 14655820, 21983730, 26380476, 32975595, 43967460, 65951190, 131902380]

約数ペア:

[(1, 131902380), (2, 65951190), (3, 43967460), (4, 32975595), (5, 26380476), (6, 21983730), (9, 14655820), (10, 13190238), (12, 10991865), (15, 8793492), (18, 7327910), (20, 6595119), (30, 4396746), (36, 3663955), (45, 2931164), (60, 2198373), (71, 1857780), (90, 1465582), (142, 928890), (180, 732791), (213, 619260), (284, 464445), (355, 371556), (426, 309630), (639, 206420), (710, 185778), (852, 154815), (1065, 123852), (1278, 103210), (1420, 92889), (2130, 61926), (2556, 51605), (3195, 41284), (4260, 30963), (6390, 20642), (10321, 12780)]