318014720

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4211}}^1$

素因数の和:4291

約数の個数: 72

約数和(自身を含む): 774839520

約数和(自身を除く): 456824800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1888, 2360, 3776, 4211, 4720, 7552, 8422, 9440, 15104, 16844, 18880, 21055, 33688, 37760, 42110, 67376, 75520, 84220, 134752, 168440, 248449, 269504, 336880, 496898, 539008, 673760, 993796, 1078016, 1242245, 1347520, 1987592, 2484490, 2695040, 3975184, 4968980, 5390080, 7950368, 9937960, 15900736, 19875920, 31801472, 39751840, 63602944, 79503680, 159007360, 318014720]

約数ペア:

[(1, 318014720), (2, 159007360), (4, 79503680), (5, 63602944), (8, 39751840), (10, 31801472), (16, 19875920), (20, 15900736), (32, 9937960), (40, 7950368), (59, 5390080), (64, 4968980), (80, 3975184), (118, 2695040), (128, 2484490), (160, 1987592), (236, 1347520), (256, 1242245), (295, 1078016), (320, 993796), (472, 673760), (590, 539008), (640, 496898), (944, 336880), (1180, 269504), (1280, 248449), (1888, 168440), (2360, 134752), (3776, 84220), (4211, 75520), (4720, 67376), (7552, 42110), (8422, 37760), (9440, 33688), (15104, 21055), (16844, 18880)]