16997220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 52186680

約数和(自身を除く): 35189460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1061, 1068, 1335, 1602, 1780, 2122, 2670, 3183, 3204, 4005, 4244, 5305, 5340, 6366, 8010, 9549, 10610, 12732, 15915, 16020, 19098, 21220, 31830, 38196, 47745, 63660, 94429, 95490, 188858, 190980, 283287, 377716, 472145, 566574, 849861, 944290, 1133148, 1416435, 1699722, 1888580, 2832870, 3399444, 4249305, 5665740, 8498610, 16997220]

約数ペア:

[(1, 16997220), (2, 8498610), (3, 5665740), (4, 4249305), (5, 3399444), (6, 2832870), (9, 1888580), (10, 1699722), (12, 1416435), (15, 1133148), (18, 944290), (20, 849861), (30, 566574), (36, 472145), (45, 377716), (60, 283287), (89, 190980), (90, 188858), (178, 95490), (180, 94429), (267, 63660), (356, 47745), (445, 38196), (534, 31830), (801, 21220), (890, 19098), (1061, 16020), (1068, 15915), (1335, 12732), (1602, 10610), (1780, 9549), (2122, 8010), (2670, 6366), (3183, 5340), (3204, 5305), (4005, 4244)]