278947920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37493}}^1$

素因数の和:37540

約数の個数: 80

約数和(自身を含む): 892657152

約数和(自身を除く): 613709232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 37493, 74986, 112479, 149972, 187465, 224958, 299944, 374930, 449916, 562395, 599888, 749860, 899832, 1124790, 1162283, 1499720, 1799664, 2249580, 2324566, 2999440, 3486849, 4499160, 4649132, 5811415, 6973698, 8998320, 9298264, 11622830, 13947396, 17434245, 18596528, 23245660, 27894792, 34868490, 46491320, 55789584, 69736980, 92982640, 139473960, 278947920]

約数ペア:

[(1, 278947920), (2, 139473960), (3, 92982640), (4, 69736980), (5, 55789584), (6, 46491320), (8, 34868490), (10, 27894792), (12, 23245660), (15, 18596528), (16, 17434245), (20, 13947396), (24, 11622830), (30, 9298264), (31, 8998320), (40, 6973698), (48, 5811415), (60, 4649132), (62, 4499160), (80, 3486849), (93, 2999440), (120, 2324566), (124, 2249580), (155, 1799664), (186, 1499720), (240, 1162283), (248, 1124790), (310, 899832), (372, 749860), (465, 599888), (496, 562395), (620, 449916), (744, 374930), (930, 299944), (1240, 224958), (1488, 187465), (1860, 149972), (2480, 112479), (3720, 74986), (7440, 37493)]