217538880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17431}}^1$

素因数の和:17464

約数の個数: 112

約数和(自身を含む): 743858304

約数和(自身を除く): 526319424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 17431, 34862, 52293, 69724, 87155, 104586, 139448, 174310, 209172, 226603, 261465, 278896, 348620, 418344, 453206, 522930, 557792, 679809, 697240, 836688, 906412, 1045860, 1115584, 1133015, 1359618, 1394480, 1673376, 1812824, 2091720, 2266030, 2719236, 2788960, 3346752, 3399045, 3625648, 4183440, 4532060, 5438472, 5577920, 6798090, 7251296, 8366880, 9064120, 10876944, 13596180, 14502592, 16733760, 18128240, 21753888, 27192360, 36256480, 43507776, 54384720, 72512960, 108769440, 217538880]

約数ペア:

[(1, 217538880), (2, 108769440), (3, 72512960), (4, 54384720), (5, 43507776), (6, 36256480), (8, 27192360), (10, 21753888), (12, 18128240), (13, 16733760), (15, 14502592), (16, 13596180), (20, 10876944), (24, 9064120), (26, 8366880), (30, 7251296), (32, 6798090), (39, 5577920), (40, 5438472), (48, 4532060), (52, 4183440), (60, 3625648), (64, 3399045), (65, 3346752), (78, 2788960), (80, 2719236), (96, 2266030), (104, 2091720), (120, 1812824), (130, 1673376), (156, 1394480), (160, 1359618), (192, 1133015), (195, 1115584), (208, 1045860), (240, 906412), (260, 836688), (312, 697240), (320, 679809), (390, 557792), (416, 522930), (480, 453206), (520, 418344), (624, 348620), (780, 278896), (832, 261465), (960, 226603), (1040, 209172), (1248, 174310), (1560, 139448), (2080, 104586), (2496, 87155), (3120, 69724), (4160, 52293), (6240, 34862), (12480, 17431)]