685555920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{45341}}^1$

素因数の和:45370

約数の個数: 160

約数和(自身を含む): 2698755840

約数和(自身を除く): 2013199920

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, 45341, 90682, 136023, 181364, 226705, 272046, 317387, 362728, 408069, 453410, 544092, 634774, 680115, 725456, 816138, 906820, 952161, 1088184, 1224207, 1269548, 1360230, 1586935, 1632276, 1813640, 1904322, 2040345, 2176368, 2448414, 2539096, 2720460, 2856483, 3173870, 3264552, 3627280, 3808644, 4080690, 4760805, 4896828, 5078192, 5440920, 5712966, 6121035, 6347740, 6529104, 7617288, 8161380, 8569449, 9521610, 9793656, 10881840, 11425932, 12242070, 12695480, 14282415, 15234576, 16322760, 17138898, 19043220, 19587312, 22851864, 24484140, 25390960, 28564830, 32645520, 34277796, 38086440, 42847245, 45703728, 48968280, 57129660, 68555592, 76172880, 85694490, 97936560, 114259320, 137111184, 171388980, 228518640, 342777960, 685555920]

約数ペア:

[(1, 685555920), (2, 342777960), (3, 228518640), (4, 171388980), (5, 137111184), (6, 114259320), (7, 97936560), (8, 85694490), (9, 76172880), (10, 68555592), (12, 57129660), (14, 48968280), (15, 45703728), (16, 42847245), (18, 38086440), (20, 34277796), (21, 32645520), (24, 28564830), (27, 25390960), (28, 24484140), (30, 22851864), (35, 19587312), (36, 19043220), (40, 17138898), (42, 16322760), (45, 15234576), (48, 14282415), (54, 12695480), (56, 12242070), (60, 11425932), (63, 10881840), (70, 9793656), (72, 9521610), (80, 8569449), (84, 8161380), (90, 7617288), (105, 6529104), (108, 6347740), (112, 6121035), (120, 5712966), (126, 5440920), (135, 5078192), (140, 4896828), (144, 4760805), (168, 4080690), (180, 3808644), (189, 3627280), (210, 3264552), (216, 3173870), (240, 2856483), (252, 2720460), (270, 2539096), (280, 2448414), (315, 2176368), (336, 2040345), (360, 1904322), (378, 1813640), (420, 1632276), (432, 1586935), (504, 1360230), (540, 1269548), (560, 1224207), (630, 1088184), (720, 952161), (756, 906820), (840, 816138), (945, 725456), (1008, 680115), (1080, 634774), (1260, 544092), (1512, 453410), (1680, 408069), (1890, 362728), (2160, 317387), (2520, 272046), (3024, 226705), (3780, 181364), (5040, 136023), (7560, 90682), (15120, 45341)]