253069120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 630862848

約数和(自身を除く): 377793728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 155, 160, 194, 248, 263, 310, 320, 388, 485, 496, 526, 620, 776, 970, 992, 1052, 1240, 1315, 1552, 1940, 1984, 2104, 2480, 2630, 3007, 3104, 3880, 4208, 4960, 5260, 6014, 6208, 7760, 8153, 8416, 9920, 10520, 12028, 15035, 15520, 16306, 16832, 21040, 24056, 25511, 30070, 31040, 32612, 40765, 42080, 48112, 51022, 60140, 65224, 81530, 84160, 96224, 102044, 120280, 127555, 130448, 163060, 192448, 204088, 240560, 255110, 260896, 326120, 408176, 481120, 510220, 521792, 652240, 790841, 816352, 962240, 1020440, 1304480, 1581682, 1632704, 2040880, 2608960, 3163364, 3954205, 4081760, 6326728, 7908410, 8163520, 12653456, 15816820, 25306912, 31633640, 50613824, 63267280, 126534560, 253069120]

約数ペア:

[(1, 253069120), (2, 126534560), (4, 63267280), (5, 50613824), (8, 31633640), (10, 25306912), (16, 15816820), (20, 12653456), (31, 8163520), (32, 7908410), (40, 6326728), (62, 4081760), (64, 3954205), (80, 3163364), (97, 2608960), (124, 2040880), (155, 1632704), (160, 1581682), (194, 1304480), (248, 1020440), (263, 962240), (310, 816352), (320, 790841), (388, 652240), (485, 521792), (496, 510220), (526, 481120), (620, 408176), (776, 326120), (970, 260896), (992, 255110), (1052, 240560), (1240, 204088), (1315, 192448), (1552, 163060), (1940, 130448), (1984, 127555), (2104, 120280), (2480, 102044), (2630, 96224), (3007, 84160), (3104, 81530), (3880, 65224), (4208, 60140), (4960, 51022), (5260, 48112), (6014, 42080), (6208, 40765), (7760, 32612), (8153, 31040), (8416, 30070), (9920, 25511), (10520, 24056), (12028, 21040), (15035, 16832), (15520, 16306)]