77787920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8171}}^1$

素因数の和:8208

約数の個数: 80

約数和(自身を含む): 218878848

約数和(自身を除く): 141090928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8171, 9520, 16342, 32684, 40855, 57197, 65368, 81710, 114394, 130736, 138907, 163420, 228788, 277814, 285985, 326840, 457576, 555628, 571970, 653680, 694535, 915152, 972349, 1111256, 1143940, 1389070, 1944698, 2222512, 2287880, 2778140, 3889396, 4575760, 4861745, 5556280, 7778792, 9723490, 11112560, 15557584, 19446980, 38893960, 77787920]

約数ペア:

[(1, 77787920), (2, 38893960), (4, 19446980), (5, 15557584), (7, 11112560), (8, 9723490), (10, 7778792), (14, 5556280), (16, 4861745), (17, 4575760), (20, 3889396), (28, 2778140), (34, 2287880), (35, 2222512), (40, 1944698), (56, 1389070), (68, 1143940), (70, 1111256), (80, 972349), (85, 915152), (112, 694535), (119, 653680), (136, 571970), (140, 555628), (170, 457576), (238, 326840), (272, 285985), (280, 277814), (340, 228788), (476, 163420), (560, 138907), (595, 130736), (680, 114394), (952, 81710), (1190, 65368), (1360, 57197), (1904, 40855), (2380, 32684), (4760, 16342), (8171, 9520)]