157352720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 120

約数和(自身を含む): 430144344

約数和(自身を除く): 272791624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 137, 140, 196, 245, 274, 280, 293, 392, 490, 548, 560, 586, 685, 784, 959, 980, 1096, 1172, 1370, 1465, 1918, 1960, 2051, 2192, 2344, 2740, 2930, 3836, 3920, 4102, 4688, 4795, 5480, 5860, 6713, 7672, 8204, 9590, 10255, 10960, 11720, 13426, 14357, 15344, 16408, 19180, 20510, 23440, 26852, 28714, 32816, 33565, 38360, 40141, 41020, 53704, 57428, 67130, 71785, 76720, 80282, 82040, 107408, 114856, 134260, 143570, 160564, 164080, 200705, 229712, 268520, 280987, 287140, 321128, 401410, 537040, 561974, 574280, 642256, 802820, 1123948, 1148560, 1404935, 1605640, 1966909, 2247896, 2809870, 3211280, 3933818, 4495792, 5619740, 7867636, 9834545, 11239480, 15735272, 19669090, 22478960, 31470544, 39338180, 78676360, 157352720]

約数ペア:

[(1, 157352720), (2, 78676360), (4, 39338180), (5, 31470544), (7, 22478960), (8, 19669090), (10, 15735272), (14, 11239480), (16, 9834545), (20, 7867636), (28, 5619740), (35, 4495792), (40, 3933818), (49, 3211280), (56, 2809870), (70, 2247896), (80, 1966909), (98, 1605640), (112, 1404935), (137, 1148560), (140, 1123948), (196, 802820), (245, 642256), (274, 574280), (280, 561974), (293, 537040), (392, 401410), (490, 321128), (548, 287140), (560, 280987), (586, 268520), (685, 229712), (784, 200705), (959, 164080), (980, 160564), (1096, 143570), (1172, 134260), (1370, 114856), (1465, 107408), (1918, 82040), (1960, 80282), (2051, 76720), (2192, 71785), (2344, 67130), (2740, 57428), (2930, 53704), (3836, 41020), (3920, 40141), (4102, 38360), (4688, 33565), (4795, 32816), (5480, 28714), (5860, 26852), (6713, 23440), (7672, 20510), (8204, 19180), (9590, 16408), (10255, 15344), (10960, 14357), (11720, 13426)]