1618886960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8263}}^1$

素因数の和:8386

約数の個数: 80

約数和(自身を含む): 3934986240

約数和(自身を除く): 2316099280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1240, 1264, 1580, 2449, 2480, 3160, 4898, 6320, 8263, 9796, 12245, 16526, 19592, 24490, 33052, 39184, 41315, 48980, 66104, 82630, 97960, 132208, 165260, 195920, 256153, 330520, 512306, 652777, 661040, 1024612, 1280765, 1305554, 2049224, 2561530, 2611108, 3263885, 4098448, 5123060, 5222216, 6527770, 10246120, 10444432, 13055540, 20236087, 20492240, 26111080, 40472174, 52222160, 80944348, 101180435, 161888696, 202360870, 323777392, 404721740, 809443480, 1618886960]

約数ペア:

[(1, 1618886960), (2, 809443480), (4, 404721740), (5, 323777392), (8, 202360870), (10, 161888696), (16, 101180435), (20, 80944348), (31, 52222160), (40, 40472174), (62, 26111080), (79, 20492240), (80, 20236087), (124, 13055540), (155, 10444432), (158, 10246120), (248, 6527770), (310, 5222216), (316, 5123060), (395, 4098448), (496, 3263885), (620, 2611108), (632, 2561530), (790, 2049224), (1240, 1305554), (1264, 1280765), (1580, 1024612), (2449, 661040), (2480, 652777), (3160, 512306), (4898, 330520), (6320, 256153), (8263, 195920), (9796, 165260), (12245, 132208), (16526, 97960), (19592, 82630), (24490, 66104), (33052, 48980), (39184, 41315)]