1815140880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{120049}}^1$

素因数の和:120078

約数の個数: 160

約数和(自身を含む): 7145376000

約数和(自身を除く): 5330235120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 120049, 240098, 360147, 480196, 600245, 720294, 840343, 960392, 1080441, 1200490, 1440588, 1680686, 1800735, 1920784, 2160882, 2400980, 2521029, 2881176, 3241323, 3361372, 3601470, 4201715, 4321764, 4801960, 5042058, 5402205, 5762352, 6482646, 6722744, 7202940, 7563087, 8403430, 8643528, 9603920, 10084116, 10804410, 12605145, 12965292, 13445488, 14405880, 15126174, 16206615, 16806860, 17287056, 20168232, 21608820, 22689261, 25210290, 25930584, 28811760, 30252348, 32413230, 33613720, 37815435, 40336464, 43217640, 45378522, 50420580, 51861168, 60504696, 64826460, 67227440, 75630870, 86435280, 90757044, 100841160, 113446305, 121009392, 129652920, 151261740, 181514088, 201682320, 226892610, 259305840, 302523480, 363028176, 453785220, 605046960, 907570440, 1815140880]

約数ペア:

[(1, 1815140880), (2, 907570440), (3, 605046960), (4, 453785220), (5, 363028176), (6, 302523480), (7, 259305840), (8, 226892610), (9, 201682320), (10, 181514088), (12, 151261740), (14, 129652920), (15, 121009392), (16, 113446305), (18, 100841160), (20, 90757044), (21, 86435280), (24, 75630870), (27, 67227440), (28, 64826460), (30, 60504696), (35, 51861168), (36, 50420580), (40, 45378522), (42, 43217640), (45, 40336464), (48, 37815435), (54, 33613720), (56, 32413230), (60, 30252348), (63, 28811760), (70, 25930584), (72, 25210290), (80, 22689261), (84, 21608820), (90, 20168232), (105, 17287056), (108, 16806860), (112, 16206615), (120, 15126174), (126, 14405880), (135, 13445488), (140, 12965292), (144, 12605145), (168, 10804410), (180, 10084116), (189, 9603920), (210, 8643528), (216, 8403430), (240, 7563087), (252, 7202940), (270, 6722744), (280, 6482646), (315, 5762352), (336, 5402205), (360, 5042058), (378, 4801960), (420, 4321764), (432, 4201715), (504, 3601470), (540, 3361372), (560, 3241323), (630, 2881176), (720, 2521029), (756, 2400980), (840, 2160882), (945, 1920784), (1008, 1800735), (1080, 1680686), (1260, 1440588), (1512, 1200490), (1680, 1080441), (1890, 960392), (2160, 840343), (2520, 720294), (3024, 600245), (3780, 480196), (5040, 360147), (7560, 240098), (15120, 120049)]