839960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 2177280

約数和(自身を除く): 1337320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 83, 88, 92, 110, 115, 166, 184, 220, 230, 253, 332, 415, 440, 460, 506, 664, 830, 913, 920, 1012, 1265, 1660, 1826, 1909, 2024, 2530, 3320, 3652, 3818, 4565, 5060, 7304, 7636, 9130, 9545, 10120, 15272, 18260, 19090, 20999, 36520, 38180, 41998, 76360, 83996, 104995, 167992, 209990, 419980, 839960]

約数ペア:

[(1, 839960), (2, 419980), (4, 209990), (5, 167992), (8, 104995), (10, 83996), (11, 76360), (20, 41998), (22, 38180), (23, 36520), (40, 20999), (44, 19090), (46, 18260), (55, 15272), (83, 10120), (88, 9545), (92, 9130), (110, 7636), (115, 7304), (166, 5060), (184, 4565), (220, 3818), (230, 3652), (253, 3320), (332, 2530), (415, 2024), (440, 1909), (460, 1826), (506, 1660), (664, 1265), (830, 1012), (913, 920)]