78637440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{5851}}^1$

素因数の和:5880

約数の個数: 128

約数和(自身を含む): 286513920

約数和(自身を除く): 207876480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 5851, 6720, 11702, 13440, 17553, 23404, 29255, 35106, 40957, 46808, 58510, 70212, 81914, 87765, 93616, 117020, 122871, 140424, 163828, 175530, 187232, 204785, 234040, 245742, 280848, 327656, 351060, 374464, 409570, 468080, 491484, 561696, 614355, 655312, 702120, 748928, 819140, 936160, 982968, 1123392, 1228710, 1310624, 1404240, 1638280, 1872320, 1965936, 2246784, 2457420, 2621248, 2808480, 3276560, 3744640, 3931872, 4914840, 5242496, 5616960, 6553120, 7863744, 9829680, 11233920, 13106240, 15727488, 19659360, 26212480, 39318720, 78637440]

約数ペア:

[(1, 78637440), (2, 39318720), (3, 26212480), (4, 19659360), (5, 15727488), (6, 13106240), (7, 11233920), (8, 9829680), (10, 7863744), (12, 6553120), (14, 5616960), (15, 5242496), (16, 4914840), (20, 3931872), (21, 3744640), (24, 3276560), (28, 2808480), (30, 2621248), (32, 2457420), (35, 2246784), (40, 1965936), (42, 1872320), (48, 1638280), (56, 1404240), (60, 1310624), (64, 1228710), (70, 1123392), (80, 982968), (84, 936160), (96, 819140), (105, 748928), (112, 702120), (120, 655312), (128, 614355), (140, 561696), (160, 491484), (168, 468080), (192, 409570), (210, 374464), (224, 351060), (240, 327656), (280, 280848), (320, 245742), (336, 234040), (384, 204785), (420, 187232), (448, 175530), (480, 163828), (560, 140424), (640, 122871), (672, 117020), (840, 93616), (896, 87765), (960, 81914), (1120, 70212), (1344, 58510), (1680, 46808), (1920, 40957), (2240, 35106), (2688, 29255), (3360, 23404), (4480, 17553), (5851, 13440), (6720, 11702)]