145249020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6781}}^1$

素因数の和:6820

約数の個数: 144

約数和(自身を含む): 533227968

約数和(自身を除く): 387978948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 6781, 7140, 10710, 13562, 20343, 21420, 27124, 33905, 40686, 47467, 61029, 67810, 81372, 94934, 101715, 115277, 122058, 135620, 142401, 189868, 203430, 230554, 237335, 244116, 284802, 305145, 345831, 406860, 427203, 461108, 474670, 569604, 576385, 610290, 691662, 712005, 806939, 854406, 949340, 1037493, 1152770, 1220580, 1383324, 1424010, 1613878, 1708812, 1729155, 2074986, 2136015, 2305540, 2420817, 2848020, 3227756, 3458310, 4034695, 4149972, 4272030, 4841634, 5187465, 6916620, 7262451, 8069390, 8544060, 9683268, 10374930, 12104085, 14524902, 16138780, 20749860, 24208170, 29049804, 36312255, 48416340, 72624510, 145249020]

約数ペア:

[(1, 145249020), (2, 72624510), (3, 48416340), (4, 36312255), (5, 29049804), (6, 24208170), (7, 20749860), (9, 16138780), (10, 14524902), (12, 12104085), (14, 10374930), (15, 9683268), (17, 8544060), (18, 8069390), (20, 7262451), (21, 6916620), (28, 5187465), (30, 4841634), (34, 4272030), (35, 4149972), (36, 4034695), (42, 3458310), (45, 3227756), (51, 2848020), (60, 2420817), (63, 2305540), (68, 2136015), (70, 2074986), (84, 1729155), (85, 1708812), (90, 1613878), (102, 1424010), (105, 1383324), (119, 1220580), (126, 1152770), (140, 1037493), (153, 949340), (170, 854406), (180, 806939), (204, 712005), (210, 691662), (238, 610290), (252, 576385), (255, 569604), (306, 474670), (315, 461108), (340, 427203), (357, 406860), (420, 345831), (476, 305145), (510, 284802), (595, 244116), (612, 237335), (630, 230554), (714, 203430), (765, 189868), (1020, 142401), (1071, 135620), (1190, 122058), (1260, 115277), (1428, 101715), (1530, 94934), (1785, 81372), (2142, 67810), (2380, 61029), (3060, 47467), (3570, 40686), (4284, 33905), (5355, 27124), (6781, 21420), (7140, 20343), (10710, 13562)]