177213780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2058

約数の個数: 144

約数和(自身を含む): 589090320

約数和(自身を除く): 411876540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1972, 1997, 2465, 2610, 2958, 3060, 3994, 4437, 4930, 5220, 5916, 5991, 7395, 7988, 8874, 9860, 9985, 11982, 14790, 17748, 17973, 19970, 22185, 23964, 29580, 29955, 33949, 35946, 39940, 44370, 57913, 59910, 67898, 71892, 88740, 89865, 101847, 115826, 119820, 135796, 169745, 173739, 179730, 203694, 231652, 289565, 305541, 339490, 347478, 359460, 407388, 509235, 521217, 579130, 611082, 678980, 694956, 868695, 984521, 1018470, 1042434, 1158260, 1222164, 1527705, 1737390, 1969042, 2036940, 2084868, 2606085, 2953563, 3055410, 3474780, 3938084, 4922605, 5212170, 5907126, 6110820, 8860689, 9845210, 10424340, 11814252, 14767815, 17721378, 19690420, 29535630, 35442756, 44303445, 59071260, 88606890, 177213780]

約数ペア:

[(1, 177213780), (2, 88606890), (3, 59071260), (4, 44303445), (5, 35442756), (6, 29535630), (9, 19690420), (10, 17721378), (12, 14767815), (15, 11814252), (17, 10424340), (18, 9845210), (20, 8860689), (29, 6110820), (30, 5907126), (34, 5212170), (36, 4922605), (45, 3938084), (51, 3474780), (58, 3055410), (60, 2953563), (68, 2606085), (85, 2084868), (87, 2036940), (90, 1969042), (102, 1737390), (116, 1527705), (145, 1222164), (153, 1158260), (170, 1042434), (174, 1018470), (180, 984521), (204, 868695), (255, 694956), (261, 678980), (290, 611082), (306, 579130), (340, 521217), (348, 509235), (435, 407388), (493, 359460), (510, 347478), (522, 339490), (580, 305541), (612, 289565), (765, 231652), (870, 203694), (986, 179730), (1020, 173739), (1044, 169745), (1305, 135796), (1479, 119820), (1530, 115826), (1740, 101847), (1972, 89865), (1997, 88740), (2465, 71892), (2610, 67898), (2958, 59910), (3060, 57913), (3994, 44370), (4437, 39940), (4930, 35946), (5220, 33949), (5916, 29955), (5991, 29580), (7395, 23964), (7988, 22185), (8874, 19970), (9860, 17973), (9985, 17748), (11982, 14790)]