81945072

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4703}}^1$

素因数の和:4739

約数の個数: 90

約数和(自身を含む): 252129696

約数和(自身を除く): 170184624

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1452, 1584, 1936, 2178, 2904, 4356, 4703, 5808, 8712, 9406, 14109, 17424, 18812, 28218, 37624, 42327, 51733, 56436, 75248, 84654, 103466, 112872, 155199, 169308, 206932, 225744, 310398, 338616, 413864, 465597, 569063, 620796, 677232, 827728, 931194, 1138126, 1241592, 1707189, 1862388, 2276252, 2483184, 3414378, 3724776, 4552504, 5121567, 6828756, 7449552, 9105008, 10243134, 13657512, 20486268, 27315024, 40972536, 81945072]

約数ペア:

[(1, 81945072), (2, 40972536), (3, 27315024), (4, 20486268), (6, 13657512), (8, 10243134), (9, 9105008), (11, 7449552), (12, 6828756), (16, 5121567), (18, 4552504), (22, 3724776), (24, 3414378), (33, 2483184), (36, 2276252), (44, 1862388), (48, 1707189), (66, 1241592), (72, 1138126), (88, 931194), (99, 827728), (121, 677232), (132, 620796), (144, 569063), (176, 465597), (198, 413864), (242, 338616), (264, 310398), (363, 225744), (396, 206932), (484, 169308), (528, 155199), (726, 112872), (792, 103466), (968, 84654), (1089, 75248), (1452, 56436), (1584, 51733), (1936, 42327), (2178, 37624), (2904, 28218), (4356, 18812), (4703, 17424), (5808, 14109), (8712, 9406)]