1721176020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{138581}}^1$

素因数の和:138622

約数の個数: 96

約数和(自身を含む): 5587626240

約数和(自身を除く): 3866450220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 2070, 2484, 3105, 4140, 6210, 12420, 138581, 277162, 415743, 554324, 692905, 831486, 1247229, 1385810, 1662972, 2078715, 2494458, 2771620, 3187363, 3741687, 4157430, 4988916, 6236145, 6374726, 7483374, 8314860, 9562089, 12472290, 12749452, 14966748, 15936815, 18708435, 19124178, 24944580, 28686267, 31873630, 37416870, 38248356, 47810445, 57372534, 63747260, 74833740, 86058801, 95620890, 114745068, 143431335, 172117602, 191241780, 286862670, 344235204, 430294005, 573725340, 860588010, 1721176020]

約数ペア:

[(1, 1721176020), (2, 860588010), (3, 573725340), (4, 430294005), (5, 344235204), (6, 286862670), (9, 191241780), (10, 172117602), (12, 143431335), (15, 114745068), (18, 95620890), (20, 86058801), (23, 74833740), (27, 63747260), (30, 57372534), (36, 47810445), (45, 38248356), (46, 37416870), (54, 31873630), (60, 28686267), (69, 24944580), (90, 19124178), (92, 18708435), (108, 15936815), (115, 14966748), (135, 12749452), (138, 12472290), (180, 9562089), (207, 8314860), (230, 7483374), (270, 6374726), (276, 6236145), (345, 4988916), (414, 4157430), (460, 3741687), (540, 3187363), (621, 2771620), (690, 2494458), (828, 2078715), (1035, 1662972), (1242, 1385810), (1380, 1247229), (2070, 831486), (2484, 692905), (3105, 554324), (4140, 415743), (6210, 277162), (12420, 138581)]