31656720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7759}}^1$

素因数の和:7792

約数の個数: 80

約数和(自身を含む): 103921920

約数和(自身を除く): 72265200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 7759, 15518, 23277, 31036, 38795, 46554, 62072, 77590, 93108, 116385, 124144, 131903, 155180, 186216, 232770, 263806, 310360, 372432, 395709, 465540, 527612, 620720, 659515, 791418, 931080, 1055224, 1319030, 1582836, 1862160, 1978545, 2110448, 2638060, 3165672, 3957090, 5276120, 6331344, 7914180, 10552240, 15828360, 31656720]

約数ペア:

[(1, 31656720), (2, 15828360), (3, 10552240), (4, 7914180), (5, 6331344), (6, 5276120), (8, 3957090), (10, 3165672), (12, 2638060), (15, 2110448), (16, 1978545), (17, 1862160), (20, 1582836), (24, 1319030), (30, 1055224), (34, 931080), (40, 791418), (48, 659515), (51, 620720), (60, 527612), (68, 465540), (80, 395709), (85, 372432), (102, 310360), (120, 263806), (136, 232770), (170, 186216), (204, 155180), (240, 131903), (255, 124144), (272, 116385), (340, 93108), (408, 77590), (510, 62072), (680, 46554), (816, 38795), (1020, 31036), (1360, 23277), (2040, 15518), (4080, 7759)]