161801280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 224

約数和(自身を含む): 582046080

約数和(自身を除く): 420244800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 307, 320, 360, 366, 432, 480, 488, 540, 549, 576, 610, 614, 720, 732, 864, 915, 921, 960, 976, 1080, 1098, 1220, 1228, 1440, 1464, 1535, 1647, 1728, 1830, 1842, 1952, 2160, 2196, 2440, 2456, 2745, 2763, 2880, 2928, 3070, 3294, 3660, 3684, 3904, 4320, 4392, 4605, 4880, 4912, 5490, 5526, 5856, 6140, 6588, 7320, 7368, 8235, 8289, 8640, 8784, 9210, 9760, 9824, 10980, 11052, 11712, 12280, 13176, 13815, 14640, 14736, 16470, 16578, 17568, 18420, 18727, 19520, 19648, 21960, 22104, 24560, 26352, 27630, 29280, 29472, 32940, 33156, 35136, 36840, 37454, 41445, 43920, 44208, 49120, 52704, 55260, 56181, 58560, 58944, 65880, 66312, 73680, 74908, 82890, 87840, 88416, 93635, 98240, 105408, 110520, 112362, 131760, 132624, 147360, 149816, 165780, 168543, 175680, 176832, 187270, 221040, 224724, 263520, 265248, 280905, 294720, 299632, 331560, 337086, 374540, 442080, 449448, 505629, 527040, 530496, 561810, 599264, 663120, 674172, 749080, 842715, 884160, 898896, 1011258, 1123620, 1198528, 1326240, 1348344, 1498160, 1685430, 1797792, 2022516, 2247240, 2528145, 2652480, 2696688, 2996320, 3370860, 3595584, 4045032, 4494480, 5056290, 5393376, 5992640, 6741720, 8090064, 8988960, 10112580, 10786752, 13483440, 16180128, 17977920, 20225160, 26966880, 32360256, 40450320, 53933760, 80900640, 161801280]

約数ペア:

[(1, 161801280), (2, 80900640), (3, 53933760), (4, 40450320), (5, 32360256), (6, 26966880), (8, 20225160), (9, 17977920), (10, 16180128), (12, 13483440), (15, 10786752), (16, 10112580), (18, 8988960), (20, 8090064), (24, 6741720), (27, 5992640), (30, 5393376), (32, 5056290), (36, 4494480), (40, 4045032), (45, 3595584), (48, 3370860), (54, 2996320), (60, 2696688), (61, 2652480), (64, 2528145), (72, 2247240), (80, 2022516), (90, 1797792), (96, 1685430), (108, 1498160), (120, 1348344), (122, 1326240), (135, 1198528), (144, 1123620), (160, 1011258), (180, 898896), (183, 884160), (192, 842715), (216, 749080), (240, 674172), (244, 663120), (270, 599264), (288, 561810), (305, 530496), (307, 527040), (320, 505629), (360, 449448), (366, 442080), (432, 374540), (480, 337086), (488, 331560), (540, 299632), (549, 294720), (576, 280905), (610, 265248), (614, 263520), (720, 224724), (732, 221040), (864, 187270), (915, 176832), (921, 175680), (960, 168543), (976, 165780), (1080, 149816), (1098, 147360), (1220, 132624), (1228, 131760), (1440, 112362), (1464, 110520), (1535, 105408), (1647, 98240), (1728, 93635), (1830, 88416), (1842, 87840), (1952, 82890), (2160, 74908), (2196, 73680), (2440, 66312), (2456, 65880), (2745, 58944), (2763, 58560), (2880, 56181), (2928, 55260), (3070, 52704), (3294, 49120), (3660, 44208), (3684, 43920), (3904, 41445), (4320, 37454), (4392, 36840), (4605, 35136), (4880, 33156), (4912, 32940), (5490, 29472), (5526, 29280), (5856, 27630), (6140, 26352), (6588, 24560), (7320, 22104), (7368, 21960), (8235, 19648), (8289, 19520), (8640, 18727), (8784, 18420), (9210, 17568), (9760, 16578), (9824, 16470), (10980, 14736), (11052, 14640), (11712, 13815), (12280, 13176)]