138807040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6379}}^1$

素因数の和:6417

約数の個数: 72

約数和(自身を含む): 352099440

約数和(自身を除く): 213292400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 6379, 10880, 12758, 21760, 25516, 31895, 51032, 63790, 102064, 108443, 127580, 204128, 216886, 255160, 408256, 433772, 510320, 542215, 816512, 867544, 1020640, 1084430, 1633024, 1735088, 2041280, 2168860, 3470176, 4082560, 4337720, 6940352, 8165120, 8675440, 13880704, 17350880, 27761408, 34701760, 69403520, 138807040]

約数ペア:

[(1, 138807040), (2, 69403520), (4, 34701760), (5, 27761408), (8, 17350880), (10, 13880704), (16, 8675440), (17, 8165120), (20, 6940352), (32, 4337720), (34, 4082560), (40, 3470176), (64, 2168860), (68, 2041280), (80, 1735088), (85, 1633024), (128, 1084430), (136, 1020640), (160, 867544), (170, 816512), (256, 542215), (272, 510320), (320, 433772), (340, 408256), (544, 255160), (640, 216886), (680, 204128), (1088, 127580), (1280, 108443), (1360, 102064), (2176, 63790), (2720, 51032), (4352, 31895), (5440, 25516), (6379, 21760), (10880, 12758)]