320959530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 894240000

約数和(自身を除く): 573280470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 179, 229, 261, 270, 290, 358, 435, 458, 522, 537, 687, 783, 870, 895, 1074, 1145, 1305, 1374, 1566, 1611, 1790, 2061, 2290, 2610, 2685, 3222, 3435, 3915, 4122, 4833, 5191, 5370, 6183, 6641, 6870, 7830, 8055, 9666, 10305, 10382, 12366, 13282, 15573, 16110, 19923, 20610, 24165, 25955, 30915, 31146, 33205, 39846, 40991, 46719, 48330, 51910, 59769, 61830, 66410, 77865, 81982, 93438, 99615, 119538, 122973, 140157, 155730, 179307, 199230, 204955, 233595, 245946, 280314, 298845, 358614, 368919, 409910, 467190, 597690, 614865, 700785, 737838, 896535, 1106757, 1188739, 1229730, 1401570, 1793070, 1844595, 2213514, 2377478, 3566217, 3689190, 5533785, 5943695, 7132434, 10698651, 11067570, 11887390, 17831085, 21397302, 32095953, 35662170, 53493255, 64191906, 106986510, 160479765, 320959530]

約数ペア:

[(1, 320959530), (2, 160479765), (3, 106986510), (5, 64191906), (6, 53493255), (9, 35662170), (10, 32095953), (15, 21397302), (18, 17831085), (27, 11887390), (29, 11067570), (30, 10698651), (45, 7132434), (54, 5943695), (58, 5533785), (87, 3689190), (90, 3566217), (135, 2377478), (145, 2213514), (174, 1844595), (179, 1793070), (229, 1401570), (261, 1229730), (270, 1188739), (290, 1106757), (358, 896535), (435, 737838), (458, 700785), (522, 614865), (537, 597690), (687, 467190), (783, 409910), (870, 368919), (895, 358614), (1074, 298845), (1145, 280314), (1305, 245946), (1374, 233595), (1566, 204955), (1611, 199230), (1790, 179307), (2061, 155730), (2290, 140157), (2610, 122973), (2685, 119538), (3222, 99615), (3435, 93438), (3915, 81982), (4122, 77865), (4833, 66410), (5191, 61830), (5370, 59769), (6183, 51910), (6641, 48330), (6870, 46719), (7830, 40991), (8055, 39846), (9666, 33205), (10305, 31146), (10382, 30915), (12366, 25955), (13282, 24165), (15573, 20610), (16110, 19923)]