81791910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13171}}^1$

素因数の和:13210

約数の個数: 64

約数和(自身を含む): 227612160

約数和(自身を除く): 145820250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 13171, 26342, 39513, 65855, 79026, 118539, 131710, 197565, 237078, 302933, 355617, 395130, 592695, 605866, 711234, 908799, 1185390, 1514665, 1778085, 1817598, 2726397, 3029330, 3556170, 4543995, 5452794, 8179191, 9087990, 13631985, 16358382, 27263970, 40895955, 81791910]

約数ペア:

[(1, 81791910), (2, 40895955), (3, 27263970), (5, 16358382), (6, 13631985), (9, 9087990), (10, 8179191), (15, 5452794), (18, 4543995), (23, 3556170), (27, 3029330), (30, 2726397), (45, 1817598), (46, 1778085), (54, 1514665), (69, 1185390), (90, 908799), (115, 711234), (135, 605866), (138, 592695), (207, 395130), (230, 355617), (270, 302933), (345, 237078), (414, 197565), (621, 131710), (690, 118539), (1035, 79026), (1242, 65855), (2070, 39513), (3105, 26342), (6210, 13171)]