27979960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1840

約数の個数: 64

約数和(自身を含む): 69595200

約数和(自身を除く): 41615240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1789, 1955, 3128, 3578, 3910, 7156, 7820, 8945, 14312, 15640, 17890, 30413, 35780, 41147, 60826, 71560, 82294, 121652, 152065, 164588, 205735, 243304, 304130, 329176, 411470, 608260, 699499, 822940, 1216520, 1398998, 1645880, 2797996, 3497495, 5595992, 6994990, 13989980, 27979960]

約数ペア:

[(1, 27979960), (2, 13989980), (4, 6994990), (5, 5595992), (8, 3497495), (10, 2797996), (17, 1645880), (20, 1398998), (23, 1216520), (34, 822940), (40, 699499), (46, 608260), (68, 411470), (85, 329176), (92, 304130), (115, 243304), (136, 205735), (170, 164588), (184, 152065), (230, 121652), (340, 82294), (391, 71560), (460, 60826), (680, 41147), (782, 35780), (920, 30413), (1564, 17890), (1789, 15640), (1955, 14312), (3128, 8945), (3578, 7820), (3910, 7156)]