1326654280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{31799}}^1$

素因数の和:31966

約数の個数: 64

約数和(自身を含む): 3434400000

約数和(自身を除く): 2107745720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 8344, 10430, 20860, 31799, 41720, 63598, 127196, 158995, 222593, 254392, 317990, 445186, 635980, 890372, 1112965, 1271960, 1780744, 2225930, 4451860, 4738051, 8903720, 9476102, 18952204, 23690255, 33166357, 37904408, 47380510, 66332714, 94761020, 132665428, 165831785, 189522040, 265330856, 331663570, 663327140, 1326654280]

約数ペア:

[(1, 1326654280), (2, 663327140), (4, 331663570), (5, 265330856), (7, 189522040), (8, 165831785), (10, 132665428), (14, 94761020), (20, 66332714), (28, 47380510), (35, 37904408), (40, 33166357), (56, 23690255), (70, 18952204), (140, 9476102), (149, 8903720), (280, 4738051), (298, 4451860), (596, 2225930), (745, 1780744), (1043, 1271960), (1192, 1112965), (1490, 890372), (2086, 635980), (2980, 445186), (4172, 317990), (5215, 254392), (5960, 222593), (8344, 158995), (10430, 127196), (20860, 63598), (31799, 41720)]