18065220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 54432000

約数和(自身を除く): 36366780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 89, 102, 170, 178, 199, 204, 255, 267, 340, 356, 398, 445, 510, 534, 597, 796, 890, 995, 1020, 1068, 1194, 1335, 1513, 1780, 1990, 2388, 2670, 2985, 3026, 3383, 3980, 4539, 5340, 5970, 6052, 6766, 7565, 9078, 10149, 11940, 13532, 15130, 16915, 17711, 18156, 20298, 22695, 30260, 33830, 35422, 40596, 45390, 50745, 53133, 67660, 70844, 88555, 90780, 101490, 106266, 177110, 202980, 212532, 265665, 301087, 354220, 531330, 602174, 903261, 1062660, 1204348, 1505435, 1806522, 3010870, 3613044, 4516305, 6021740, 9032610, 18065220]

約数ペア:

[(1, 18065220), (2, 9032610), (3, 6021740), (4, 4516305), (5, 3613044), (6, 3010870), (10, 1806522), (12, 1505435), (15, 1204348), (17, 1062660), (20, 903261), (30, 602174), (34, 531330), (51, 354220), (60, 301087), (68, 265665), (85, 212532), (89, 202980), (102, 177110), (170, 106266), (178, 101490), (199, 90780), (204, 88555), (255, 70844), (267, 67660), (340, 53133), (356, 50745), (398, 45390), (445, 40596), (510, 35422), (534, 33830), (597, 30260), (796, 22695), (890, 20298), (995, 18156), (1020, 17711), (1068, 16915), (1194, 15130), (1335, 13532), (1513, 11940), (1780, 10149), (1990, 9078), (2388, 7565), (2670, 6766), (2985, 6052), (3026, 5970), (3383, 5340), (3980, 4539)]