138805120

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2971}}^1$

素因数の和:3063

約数の個数: 64

約数和(自身を含む): 336489840

約数和(自身を除く): 197684720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1460, 2336, 2920, 2971, 4672, 5840, 5942, 9344, 11680, 11884, 14855, 23360, 23768, 29710, 46720, 47536, 59420, 95072, 118840, 190144, 216883, 237680, 380288, 433766, 475360, 867532, 950720, 1084415, 1735064, 1901440, 2168830, 3470128, 4337660, 6940256, 8675320, 13880512, 17350640, 27761024, 34701280, 69402560, 138805120]

約数ペア:

[(1, 138805120), (2, 69402560), (4, 34701280), (5, 27761024), (8, 17350640), (10, 13880512), (16, 8675320), (20, 6940256), (32, 4337660), (40, 3470128), (64, 2168830), (73, 1901440), (80, 1735064), (128, 1084415), (146, 950720), (160, 867532), (292, 475360), (320, 433766), (365, 380288), (584, 237680), (640, 216883), (730, 190144), (1168, 118840), (1460, 95072), (2336, 59420), (2920, 47536), (2971, 46720), (4672, 29710), (5840, 23768), (5942, 23360), (9344, 14855), (11680, 11884)]