55321740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 180442080

約数和(自身を除く): 125120340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 101, 102, 153, 170, 179, 180, 202, 204, 255, 303, 306, 340, 358, 404, 505, 510, 537, 606, 612, 716, 765, 895, 909, 1010, 1020, 1074, 1212, 1515, 1530, 1611, 1717, 1790, 1818, 2020, 2148, 2685, 3030, 3043, 3060, 3222, 3434, 3580, 3636, 4545, 5151, 5370, 6060, 6086, 6444, 6868, 8055, 8585, 9090, 9129, 10302, 10740, 12172, 15215, 15453, 16110, 17170, 18079, 18180, 18258, 20604, 25755, 27387, 30430, 30906, 32220, 34340, 36158, 36516, 45645, 51510, 54237, 54774, 60860, 61812, 72316, 77265, 90395, 91290, 103020, 108474, 109548, 136935, 154530, 162711, 180790, 182580, 216948, 271185, 273870, 307343, 309060, 325422, 361580, 542370, 547740, 614686, 650844, 813555, 922029, 1084740, 1229372, 1536715, 1627110, 1844058, 2766087, 3073430, 3254220, 3688116, 4610145, 5532174, 6146860, 9220290, 11064348, 13830435, 18440580, 27660870, 55321740]

約数ペア:

[(1, 55321740), (2, 27660870), (3, 18440580), (4, 13830435), (5, 11064348), (6, 9220290), (9, 6146860), (10, 5532174), (12, 4610145), (15, 3688116), (17, 3254220), (18, 3073430), (20, 2766087), (30, 1844058), (34, 1627110), (36, 1536715), (45, 1229372), (51, 1084740), (60, 922029), (68, 813555), (85, 650844), (90, 614686), (101, 547740), (102, 542370), (153, 361580), (170, 325422), (179, 309060), (180, 307343), (202, 273870), (204, 271185), (255, 216948), (303, 182580), (306, 180790), (340, 162711), (358, 154530), (404, 136935), (505, 109548), (510, 108474), (537, 103020), (606, 91290), (612, 90395), (716, 77265), (765, 72316), (895, 61812), (909, 60860), (1010, 54774), (1020, 54237), (1074, 51510), (1212, 45645), (1515, 36516), (1530, 36158), (1611, 34340), (1717, 32220), (1790, 30906), (1818, 30430), (2020, 27387), (2148, 25755), (2685, 20604), (3030, 18258), (3043, 18180), (3060, 18079), (3222, 17170), (3434, 16110), (3580, 15453), (3636, 15215), (4545, 12172), (5151, 10740), (5370, 10302), (6060, 9129), (6086, 9090), (6444, 8585), (6868, 8055)]