2728260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 8648640

約数和(自身を除く): 5920380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 659, 690, 828, 1035, 1318, 1380, 1977, 2070, 2636, 3295, 3954, 4140, 5931, 6590, 7908, 9885, 11862, 13180, 15157, 19770, 23724, 29655, 30314, 39540, 45471, 59310, 60628, 75785, 90942, 118620, 136413, 151570, 181884, 227355, 272826, 303140, 454710, 545652, 682065, 909420, 1364130, 2728260]

約数ペア:

[(1, 2728260), (2, 1364130), (3, 909420), (4, 682065), (5, 545652), (6, 454710), (9, 303140), (10, 272826), (12, 227355), (15, 181884), (18, 151570), (20, 136413), (23, 118620), (30, 90942), (36, 75785), (45, 60628), (46, 59310), (60, 45471), (69, 39540), (90, 30314), (92, 29655), (115, 23724), (138, 19770), (180, 15157), (207, 13180), (230, 11862), (276, 9885), (345, 7908), (414, 6590), (460, 5931), (659, 4140), (690, 3954), (828, 3295), (1035, 2636), (1318, 2070), (1380, 1977)]