81689796

素因数分解:

$2^2\times 3^5\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 215662720

約数和(自身を除く): 133972924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 229, 243, 324, 367, 458, 486, 687, 734, 916, 972, 1101, 1374, 1468, 2061, 2202, 2748, 3303, 4122, 4404, 6183, 6606, 8244, 9909, 12366, 13212, 18549, 19818, 24732, 29727, 37098, 39636, 55647, 59454, 74196, 84043, 89181, 111294, 118908, 168086, 178362, 222588, 252129, 336172, 356724, 504258, 756387, 1008516, 1512774, 2269161, 3025548, 4538322, 6807483, 9076644, 13614966, 20422449, 27229932, 40844898, 81689796]

約数ペア:

[(1, 81689796), (2, 40844898), (3, 27229932), (4, 20422449), (6, 13614966), (9, 9076644), (12, 6807483), (18, 4538322), (27, 3025548), (36, 2269161), (54, 1512774), (81, 1008516), (108, 756387), (162, 504258), (229, 356724), (243, 336172), (324, 252129), (367, 222588), (458, 178362), (486, 168086), (687, 118908), (734, 111294), (916, 89181), (972, 84043), (1101, 74196), (1374, 59454), (1468, 55647), (2061, 39636), (2202, 37098), (2748, 29727), (3303, 24732), (4122, 19818), (4404, 18549), (6183, 13212), (6606, 12366), (8244, 9909)]