18892461440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{5261}}^1$

素因数の和:5492

約数の個数: 128

約数和(自身を含む): 46888208640

約数和(自身を除く): 27995747200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 181, 248, 310, 320, 362, 496, 620, 640, 724, 905, 992, 1240, 1448, 1810, 1984, 2480, 2896, 3620, 3968, 4960, 5261, 5611, 5792, 7240, 9920, 10522, 11222, 11584, 14480, 19840, 21044, 22444, 23168, 26305, 28055, 28960, 42088, 44888, 52610, 56110, 57920, 84176, 89776, 105220, 112220, 115840, 163091, 168352, 179552, 210440, 224440, 326182, 336704, 359104, 420880, 448880, 652364, 673408, 718208, 815455, 841760, 897760, 952241, 1304728, 1630910, 1683520, 1795520, 1904482, 2609456, 3261820, 3367040, 3591040, 3808964, 4761205, 5218912, 6523640, 7617928, 9522410, 10437824, 13047280, 15235856, 19044820, 20875648, 26094560, 29519471, 30471712, 38089640, 52189120, 59038942, 60943424, 76179280, 104378240, 118077884, 121886848, 147597355, 152358560, 236155768, 295194710, 304717120, 472311536, 590389420, 609434240, 944623072, 1180778840, 1889246144, 2361557680, 3778492288, 4723115360, 9446230720, 18892461440]

約数ペア:

[(1, 18892461440), (2, 9446230720), (4, 4723115360), (5, 3778492288), (8, 2361557680), (10, 1889246144), (16, 1180778840), (20, 944623072), (31, 609434240), (32, 590389420), (40, 472311536), (62, 304717120), (64, 295194710), (80, 236155768), (124, 152358560), (128, 147597355), (155, 121886848), (160, 118077884), (181, 104378240), (248, 76179280), (310, 60943424), (320, 59038942), (362, 52189120), (496, 38089640), (620, 30471712), (640, 29519471), (724, 26094560), (905, 20875648), (992, 19044820), (1240, 15235856), (1448, 13047280), (1810, 10437824), (1984, 9522410), (2480, 7617928), (2896, 6523640), (3620, 5218912), (3968, 4761205), (4960, 3808964), (5261, 3591040), (5611, 3367040), (5792, 3261820), (7240, 2609456), (9920, 1904482), (10522, 1795520), (11222, 1683520), (11584, 1630910), (14480, 1304728), (19840, 952241), (21044, 897760), (22444, 841760), (23168, 815455), (26305, 718208), (28055, 673408), (28960, 652364), (42088, 448880), (44888, 420880), (52610, 359104), (56110, 336704), (57920, 326182), (84176, 224440), (89776, 210440), (105220, 179552), (112220, 168352), (115840, 163091)]