215793280

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1949}}^1$

素因数の和:2141

約数の個数: 64

約数和(自身を含む): 519129000

約数和(自身を除く): 303335720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 865, 1384, 1730, 1949, 2768, 3460, 3898, 5536, 6920, 7796, 9745, 11072, 13840, 15592, 19490, 22144, 27680, 31184, 38980, 55360, 62368, 77960, 110720, 124736, 155920, 249472, 311840, 337177, 623680, 674354, 1247360, 1348708, 1685885, 2697416, 3371770, 5394832, 6743540, 10789664, 13487080, 21579328, 26974160, 43158656, 53948320, 107896640, 215793280]

約数ペア:

[(1, 215793280), (2, 107896640), (4, 53948320), (5, 43158656), (8, 26974160), (10, 21579328), (16, 13487080), (20, 10789664), (32, 6743540), (40, 5394832), (64, 3371770), (80, 2697416), (128, 1685885), (160, 1348708), (173, 1247360), (320, 674354), (346, 623680), (640, 337177), (692, 311840), (865, 249472), (1384, 155920), (1730, 124736), (1949, 110720), (2768, 77960), (3460, 62368), (3898, 55360), (5536, 38980), (6920, 31184), (7796, 27680), (9745, 22144), (11072, 19490), (13840, 15592)]