1245209600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:540

約数の個数: 132

約数和(自身を含む): 3119038464

約数和(自身を除く): 1873828864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 256, 320, 383, 400, 508, 512, 635, 640, 766, 800, 1016, 1024, 1270, 1280, 1532, 1600, 1915, 2032, 2540, 2560, 3064, 3175, 3200, 3830, 4064, 5080, 5120, 6128, 6350, 6400, 7660, 8128, 9575, 10160, 12256, 12700, 12800, 15320, 16256, 19150, 20320, 24512, 25400, 25600, 30640, 32512, 38300, 40640, 48641, 49024, 50800, 61280, 65024, 76600, 81280, 97282, 98048, 101600, 122560, 130048, 153200, 162560, 194564, 196096, 203200, 243205, 245120, 306400, 325120, 389128, 392192, 406400, 486410, 490240, 612800, 650240, 778256, 812800, 972820, 980480, 1216025, 1225600, 1556512, 1625600, 1945640, 1960960, 2432050, 2451200, 3113024, 3251200, 3891280, 4864100, 4902400, 6226048, 7782560, 9728200, 9804800, 12452096, 15565120, 19456400, 24904192, 31130240, 38912800, 49808384, 62260480, 77825600, 124520960, 155651200, 249041920, 311302400, 622604800, 1245209600]

約数ペア:

[(1, 1245209600), (2, 622604800), (4, 311302400), (5, 249041920), (8, 155651200), (10, 124520960), (16, 77825600), (20, 62260480), (25, 49808384), (32, 38912800), (40, 31130240), (50, 24904192), (64, 19456400), (80, 15565120), (100, 12452096), (127, 9804800), (128, 9728200), (160, 7782560), (200, 6226048), (254, 4902400), (256, 4864100), (320, 3891280), (383, 3251200), (400, 3113024), (508, 2451200), (512, 2432050), (635, 1960960), (640, 1945640), (766, 1625600), (800, 1556512), (1016, 1225600), (1024, 1216025), (1270, 980480), (1280, 972820), (1532, 812800), (1600, 778256), (1915, 650240), (2032, 612800), (2540, 490240), (2560, 486410), (3064, 406400), (3175, 392192), (3200, 389128), (3830, 325120), (4064, 306400), (5080, 245120), (5120, 243205), (6128, 203200), (6350, 196096), (6400, 194564), (7660, 162560), (8128, 153200), (9575, 130048), (10160, 122560), (12256, 101600), (12700, 98048), (12800, 97282), (15320, 81280), (16256, 76600), (19150, 65024), (20320, 61280), (24512, 50800), (25400, 49024), (25600, 48641), (30640, 40640), (32512, 38300)]