72325570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 142331904

約数和(自身を除く): 70006334

約数列:

[1, 2, 5, 10, 23, 43, 46, 71, 86, 103, 115, 142, 206, 215, 230, 355, 430, 515, 710, 989, 1030, 1633, 1978, 2369, 3053, 3266, 4429, 4738, 4945, 6106, 7313, 8165, 8858, 9890, 11845, 14626, 15265, 16330, 22145, 23690, 30530, 36565, 44290, 70219, 73130, 101867, 140438, 168199, 203734, 314459, 336398, 351095, 509335, 628918, 702190, 840995, 1018670, 1572295, 1681990, 3144590, 7232557, 14465114, 36162785, 72325570]

約数ペア:

[(1, 72325570), (2, 36162785), (5, 14465114), (10, 7232557), (23, 3144590), (43, 1681990), (46, 1572295), (71, 1018670), (86, 840995), (103, 702190), (115, 628918), (142, 509335), (206, 351095), (215, 336398), (230, 314459), (355, 203734), (430, 168199), (515, 140438), (710, 101867), (989, 73130), (1030, 70219), (1633, 44290), (1978, 36565), (2369, 30530), (3053, 23690), (3266, 22145), (4429, 16330), (4738, 15265), (4945, 14626), (6106, 11845), (7313, 9890), (8165, 8858)]