31056688640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{638501}}^1$

素因数の和:638543

約数の個数: 80

約数和(自身を含む): 78382505520

約数和(自身を除く): 47325816880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 24320, 48640, 638501, 1277002, 2554004, 3192505, 5108008, 6385010, 10216016, 12131519, 12770020, 20432032, 24263038, 25540040, 40864064, 48526076, 51080080, 60657595, 81728128, 97052152, 102160160, 121315190, 163456256, 194104304, 204320320, 242630380, 326912512, 388208608, 408640640, 485260760, 776417216, 817281280, 970521520, 1552834432, 1634562560, 1941043040, 3105668864, 3882086080, 6211337728, 7764172160, 15528344320, 31056688640]

約数ペア:

[(1, 31056688640), (2, 15528344320), (4, 7764172160), (5, 6211337728), (8, 3882086080), (10, 3105668864), (16, 1941043040), (19, 1634562560), (20, 1552834432), (32, 970521520), (38, 817281280), (40, 776417216), (64, 485260760), (76, 408640640), (80, 388208608), (95, 326912512), (128, 242630380), (152, 204320320), (160, 194104304), (190, 163456256), (256, 121315190), (304, 102160160), (320, 97052152), (380, 81728128), (512, 60657595), (608, 51080080), (640, 48526076), (760, 40864064), (1216, 25540040), (1280, 24263038), (1520, 20432032), (2432, 12770020), (2560, 12131519), (3040, 10216016), (4864, 6385010), (6080, 5108008), (9728, 3192505), (12160, 2554004), (24320, 1277002), (48640, 638501)]