681317120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 1849681008

約数和(自身を除く): 1168363888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 83, 88, 106, 110, 121, 128, 160, 166, 176, 212, 220, 242, 256, 265, 320, 332, 352, 415, 424, 440, 484, 530, 583, 605, 640, 664, 704, 830, 848, 880, 913, 968, 1060, 1166, 1210, 1280, 1328, 1408, 1660, 1696, 1760, 1826, 1936, 2120, 2332, 2420, 2656, 2816, 2915, 3320, 3392, 3520, 3652, 3872, 4240, 4399, 4565, 4664, 4840, 5312, 5830, 6413, 6640, 6784, 7040, 7304, 7744, 8480, 8798, 9130, 9328, 9680, 10043, 10624, 11660, 12826, 13280, 13568, 14080, 14608, 15488, 16960, 17596, 18260, 18656, 19360, 20086, 21248, 21995, 23320, 25652, 26560, 29216, 30976, 32065, 33920, 35192, 36520, 37312, 38720, 40172, 43990, 46640, 48389, 50215, 51304, 53120, 58432, 64130, 67840, 70384, 73040, 74624, 77440, 80344, 87980, 93280, 96778, 100430, 102608, 106240, 116864, 128260, 140768, 146080, 149248, 154880, 160688, 175960, 186560, 193556, 200860, 205216, 233728, 241945, 256520, 281536, 292160, 321376, 351920, 373120, 387112, 401720, 410432, 483890, 513040, 532279, 563072, 584320, 642752, 703840, 746240, 774224, 803440, 820864, 967780, 1026080, 1064558, 1126144, 1168640, 1285504, 1407680, 1548448, 1606880, 1641728, 1935560, 2052160, 2129116, 2571008, 2661395, 2815360, 3096896, 3213760, 3871120, 4104320, 4258232, 5322790, 5630720, 6193792, 6427520, 7742240, 8208640, 8516464, 10645580, 12387584, 12855040, 15484480, 17032928, 21291160, 30968960, 34065856, 42582320, 61937920, 68131712, 85164640, 136263424, 170329280, 340658560, 681317120]

約数ペア:

[(1, 681317120), (2, 340658560), (4, 170329280), (5, 136263424), (8, 85164640), (10, 68131712), (11, 61937920), (16, 42582320), (20, 34065856), (22, 30968960), (32, 21291160), (40, 17032928), (44, 15484480), (53, 12855040), (55, 12387584), (64, 10645580), (80, 8516464), (83, 8208640), (88, 7742240), (106, 6427520), (110, 6193792), (121, 5630720), (128, 5322790), (160, 4258232), (166, 4104320), (176, 3871120), (212, 3213760), (220, 3096896), (242, 2815360), (256, 2661395), (265, 2571008), (320, 2129116), (332, 2052160), (352, 1935560), (415, 1641728), (424, 1606880), (440, 1548448), (484, 1407680), (530, 1285504), (583, 1168640), (605, 1126144), (640, 1064558), (664, 1026080), (704, 967780), (830, 820864), (848, 803440), (880, 774224), (913, 746240), (968, 703840), (1060, 642752), (1166, 584320), (1210, 563072), (1280, 532279), (1328, 513040), (1408, 483890), (1660, 410432), (1696, 401720), (1760, 387112), (1826, 373120), (1936, 351920), (2120, 321376), (2332, 292160), (2420, 281536), (2656, 256520), (2816, 241945), (2915, 233728), (3320, 205216), (3392, 200860), (3520, 193556), (3652, 186560), (3872, 175960), (4240, 160688), (4399, 154880), (4565, 149248), (4664, 146080), (4840, 140768), (5312, 128260), (5830, 116864), (6413, 106240), (6640, 102608), (6784, 100430), (7040, 96778), (7304, 93280), (7744, 87980), (8480, 80344), (8798, 77440), (9130, 74624), (9328, 73040), (9680, 70384), (10043, 67840), (10624, 64130), (11660, 58432), (12826, 53120), (13280, 51304), (13568, 50215), (14080, 48389), (14608, 46640), (15488, 43990), (16960, 40172), (17596, 38720), (18260, 37312), (18656, 36520), (19360, 35192), (20086, 33920), (21248, 32065), (21995, 30976), (23320, 29216), (25652, 26560)]