18271260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{853}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 67144896

約数和(自身を除く): 48873636

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, 853, 1020, 1071, 1190, 1260, 1428, 1530, 1706, 1785, 2142, 2380, 2559, 3060, 3412, 3570, 4265, 4284, 5118, 5355, 5971, 7140, 7677, 8530, 10236, 10710, 11942, 12795, 14501, 15354, 17060, 17913, 21420, 23884, 25590, 29002, 29855, 30708, 35826, 38385, 43503, 51180, 53739, 58004, 59710, 71652, 72505, 76770, 87006, 89565, 101507, 107478, 119420, 130509, 145010, 153540, 174012, 179130, 203014, 214956, 217515, 261018, 268695, 290020, 304521, 358260, 406028, 435030, 507535, 522036, 537390, 609042, 652545, 870060, 913563, 1015070, 1074780, 1218084, 1305090, 1522605, 1827126, 2030140, 2610180, 3045210, 3654252, 4567815, 6090420, 9135630, 18271260]

約数ペア:

[(1, 18271260), (2, 9135630), (3, 6090420), (4, 4567815), (5, 3654252), (6, 3045210), (7, 2610180), (9, 2030140), (10, 1827126), (12, 1522605), (14, 1305090), (15, 1218084), (17, 1074780), (18, 1015070), (20, 913563), (21, 870060), (28, 652545), (30, 609042), (34, 537390), (35, 522036), (36, 507535), (42, 435030), (45, 406028), (51, 358260), (60, 304521), (63, 290020), (68, 268695), (70, 261018), (84, 217515), (85, 214956), (90, 203014), (102, 179130), (105, 174012), (119, 153540), (126, 145010), (140, 130509), (153, 119420), (170, 107478), (180, 101507), (204, 89565), (210, 87006), (238, 76770), (252, 72505), (255, 71652), (306, 59710), (315, 58004), (340, 53739), (357, 51180), (420, 43503), (476, 38385), (510, 35826), (595, 30708), (612, 29855), (630, 29002), (714, 25590), (765, 23884), (853, 21420), (1020, 17913), (1071, 17060), (1190, 15354), (1260, 14501), (1428, 12795), (1530, 11942), (1706, 10710), (1785, 10236), (2142, 8530), (2380, 7677), (2559, 7140), (3060, 5971), (3412, 5355), (3570, 5118), (4265, 4284)]