398448480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1283}}^1$

素因数の和:1948

約数の個数: 96

約数和(自身を含む): 1258032384

約数和(自身を除く): 859583904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 647, 1283, 1294, 1941, 2566, 2588, 3235, 3849, 3882, 5132, 5176, 6415, 6470, 7698, 7764, 9705, 10264, 10352, 12830, 12940, 15396, 15528, 19245, 19410, 20528, 20704, 25660, 25880, 30792, 31056, 38490, 38820, 41056, 51320, 51760, 61584, 62112, 76980, 77640, 102640, 103520, 123168, 153960, 155280, 205280, 307920, 310560, 615840, 830101, 1660202, 2490303, 3320404, 4150505, 4980606, 6640808, 8301010, 9961212, 12451515, 13281616, 16602020, 19922424, 24903030, 26563232, 33204040, 39844848, 49806060, 66408080, 79689696, 99612120, 132816160, 199224240, 398448480]

約数ペア:

[(1, 398448480), (2, 199224240), (3, 132816160), (4, 99612120), (5, 79689696), (6, 66408080), (8, 49806060), (10, 39844848), (12, 33204040), (15, 26563232), (16, 24903030), (20, 19922424), (24, 16602020), (30, 13281616), (32, 12451515), (40, 9961212), (48, 8301010), (60, 6640808), (80, 4980606), (96, 4150505), (120, 3320404), (160, 2490303), (240, 1660202), (480, 830101), (647, 615840), (1283, 310560), (1294, 307920), (1941, 205280), (2566, 155280), (2588, 153960), (3235, 123168), (3849, 103520), (3882, 102640), (5132, 77640), (5176, 76980), (6415, 62112), (6470, 61584), (7698, 51760), (7764, 51320), (9705, 41056), (10264, 38820), (10352, 38490), (12830, 31056), (12940, 30792), (15396, 25880), (15528, 25660), (19245, 20704), (19410, 20528)]