28767060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 216

約数和(自身を含む): 107278080

約数和(自身を除く): 78511020

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, 79, 84, 85, 90, 102, 105, 119, 126, 140, 153, 158, 170, 180, 204, 210, 237, 238, 252, 255, 289, 306, 315, 316, 340, 357, 395, 420, 474, 476, 510, 553, 578, 595, 612, 630, 711, 714, 765, 790, 867, 948, 1020, 1071, 1106, 1156, 1185, 1190, 1260, 1343, 1422, 1428, 1445, 1530, 1580, 1659, 1734, 1785, 2023, 2142, 2212, 2370, 2380, 2601, 2686, 2765, 2844, 2890, 3060, 3318, 3468, 3555, 3570, 4029, 4046, 4284, 4335, 4740, 4977, 5202, 5355, 5372, 5530, 5780, 6069, 6636, 6715, 7110, 7140, 8058, 8092, 8295, 8670, 9401, 9954, 10115, 10404, 10710, 11060, 12087, 12138, 13005, 13430, 14220, 16116, 16590, 17340, 18207, 18802, 19908, 20145, 20230, 21420, 22831, 24174, 24276, 24885, 26010, 26860, 28203, 30345, 33180, 36414, 37604, 40290, 40460, 45662, 47005, 48348, 49770, 52020, 56406, 60435, 60690, 68493, 72828, 80580, 84609, 91035, 91324, 94010, 99540, 112812, 114155, 120870, 121380, 136986, 141015, 159817, 169218, 182070, 188020, 205479, 228310, 241740, 273972, 282030, 319634, 338436, 342465, 364140, 410958, 423045, 456620, 479451, 564060, 639268, 684930, 799085, 821916, 846090, 958902, 1027395, 1369860, 1438353, 1598170, 1692180, 1917804, 2054790, 2397255, 2876706, 3196340, 4109580, 4794510, 5753412, 7191765, 9589020, 14383530, 28767060]

約数ペア:

[(1, 28767060), (2, 14383530), (3, 9589020), (4, 7191765), (5, 5753412), (6, 4794510), (7, 4109580), (9, 3196340), (10, 2876706), (12, 2397255), (14, 2054790), (15, 1917804), (17, 1692180), (18, 1598170), (20, 1438353), (21, 1369860), (28, 1027395), (30, 958902), (34, 846090), (35, 821916), (36, 799085), (42, 684930), (45, 639268), (51, 564060), (60, 479451), (63, 456620), (68, 423045), (70, 410958), (79, 364140), (84, 342465), (85, 338436), (90, 319634), (102, 282030), (105, 273972), (119, 241740), (126, 228310), (140, 205479), (153, 188020), (158, 182070), (170, 169218), (180, 159817), (204, 141015), (210, 136986), (237, 121380), (238, 120870), (252, 114155), (255, 112812), (289, 99540), (306, 94010), (315, 91324), (316, 91035), (340, 84609), (357, 80580), (395, 72828), (420, 68493), (474, 60690), (476, 60435), (510, 56406), (553, 52020), (578, 49770), (595, 48348), (612, 47005), (630, 45662), (711, 40460), (714, 40290), (765, 37604), (790, 36414), (867, 33180), (948, 30345), (1020, 28203), (1071, 26860), (1106, 26010), (1156, 24885), (1185, 24276), (1190, 24174), (1260, 22831), (1343, 21420), (1422, 20230), (1428, 20145), (1445, 19908), (1530, 18802), (1580, 18207), (1659, 17340), (1734, 16590), (1785, 16116), (2023, 14220), (2142, 13430), (2212, 13005), (2370, 12138), (2380, 12087), (2601, 11060), (2686, 10710), (2765, 10404), (2844, 10115), (2890, 9954), (3060, 9401), (3318, 8670), (3468, 8295), (3555, 8092), (3570, 8058), (4029, 7140), (4046, 7110), (4284, 6715), (4335, 6636), (4740, 6069), (4977, 5780), (5202, 5530), (5355, 5372)]