129790640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4373}}^1$

素因数の和:4446

約数の個数: 80

約数和(自身を含む): 351459648

約数和(自身を除く): 221669008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 4373, 5936, 7420, 8746, 14840, 17492, 21865, 29680, 30611, 34984, 43730, 61222, 69968, 87460, 122444, 153055, 174920, 231769, 244888, 306110, 349840, 463538, 489776, 612220, 927076, 1158845, 1224440, 1622383, 1854152, 2317690, 2448880, 3244766, 3708304, 4635380, 6489532, 8111915, 9270760, 12979064, 16223830, 18541520, 25958128, 32447660, 64895320, 129790640]

約数ペア:

[(1, 129790640), (2, 64895320), (4, 32447660), (5, 25958128), (7, 18541520), (8, 16223830), (10, 12979064), (14, 9270760), (16, 8111915), (20, 6489532), (28, 4635380), (35, 3708304), (40, 3244766), (53, 2448880), (56, 2317690), (70, 1854152), (80, 1622383), (106, 1224440), (112, 1158845), (140, 927076), (212, 612220), (265, 489776), (280, 463538), (371, 349840), (424, 306110), (530, 244888), (560, 231769), (742, 174920), (848, 153055), (1060, 122444), (1484, 87460), (1855, 69968), (2120, 61222), (2968, 43730), (3710, 34984), (4240, 30611), (4373, 29680), (5936, 21865), (7420, 17492), (8746, 14840)]