81866430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13183}}^1$

素因数の和:13222

約数の個数: 64

約数和(自身を含む): 227819520

約数和(自身を除く): 145953090

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, 13183, 26366, 39549, 65915, 79098, 118647, 131830, 197745, 237294, 303209, 355941, 395490, 593235, 606418, 711882, 909627, 1186470, 1516045, 1779705, 1819254, 2728881, 3032090, 3559410, 4548135, 5457762, 8186643, 9096270, 13644405, 16373286, 27288810, 40933215, 81866430]

約数ペア:

[(1, 81866430), (2, 40933215), (3, 27288810), (5, 16373286), (6, 13644405), (9, 9096270), (10, 8186643), (15, 5457762), (18, 4548135), (23, 3559410), (27, 3032090), (30, 2728881), (45, 1819254), (46, 1779705), (54, 1516045), (69, 1186470), (90, 909627), (115, 711882), (135, 606418), (138, 593235), (207, 395490), (230, 355941), (270, 303209), (345, 237294), (414, 197745), (621, 131830), (690, 118647), (1035, 79098), (1242, 65915), (2070, 39549), (3105, 26366), (6210, 13183)]