64895320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4373}}^1$

素因数の和:4444

約数の個数: 64

約数和(自身を含む): 170061120

約数和(自身を除く): 105165800

約数列:

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

約数ペア:

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