1638630

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^2$

素因数の和:60

約数の個数: 120

約数和(自身を含む): 5349168

約数和(自身を除く): 3710538

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 81, 85, 90, 102, 105, 119, 126, 135, 153, 162, 170, 189, 210, 238, 255, 270, 289, 306, 315, 357, 378, 405, 459, 510, 567, 578, 595, 630, 714, 765, 810, 867, 918, 945, 1071, 1134, 1190, 1377, 1445, 1530, 1734, 1785, 1890, 2023, 2142, 2295, 2601, 2754, 2835, 2890, 3213, 3570, 4046, 4335, 4590, 5202, 5355, 5670, 6069, 6426, 6885, 7803, 8670, 9639, 10115, 10710, 12138, 13005, 13770, 15606, 16065, 18207, 19278, 20230, 23409, 26010, 30345, 32130, 36414, 39015, 46818, 48195, 54621, 60690, 78030, 91035, 96390, 109242, 117045, 163863, 182070, 234090, 273105, 327726, 546210, 819315, 1638630]

約数ペア:

[(1, 1638630), (2, 819315), (3, 546210), (5, 327726), (6, 273105), (7, 234090), (9, 182070), (10, 163863), (14, 117045), (15, 109242), (17, 96390), (18, 91035), (21, 78030), (27, 60690), (30, 54621), (34, 48195), (35, 46818), (42, 39015), (45, 36414), (51, 32130), (54, 30345), (63, 26010), (70, 23409), (81, 20230), (85, 19278), (90, 18207), (102, 16065), (105, 15606), (119, 13770), (126, 13005), (135, 12138), (153, 10710), (162, 10115), (170, 9639), (189, 8670), (210, 7803), (238, 6885), (255, 6426), (270, 6069), (289, 5670), (306, 5355), (315, 5202), (357, 4590), (378, 4335), (405, 4046), (459, 3570), (510, 3213), (567, 2890), (578, 2835), (595, 2754), (630, 2601), (714, 2295), (765, 2142), (810, 2023), (867, 1890), (918, 1785), (945, 1734), (1071, 1530), (1134, 1445), (1190, 1377)]