61989760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 172290240

約数和(自身を除く): 110300480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 128, 137, 140, 160, 202, 224, 274, 280, 320, 404, 448, 505, 548, 560, 640, 685, 707, 808, 896, 959, 1010, 1096, 1120, 1370, 1414, 1616, 1918, 2020, 2192, 2240, 2740, 2828, 3232, 3535, 3836, 4040, 4384, 4480, 4795, 5480, 5656, 6464, 7070, 7672, 8080, 8768, 9590, 10960, 11312, 12928, 13837, 14140, 15344, 16160, 17536, 19180, 21920, 22624, 27674, 28280, 30688, 32320, 38360, 43840, 45248, 55348, 56560, 61376, 64640, 69185, 76720, 87680, 90496, 96859, 110696, 113120, 122752, 138370, 153440, 193718, 221392, 226240, 276740, 306880, 387436, 442784, 452480, 484295, 553480, 613760, 774872, 885568, 968590, 1106960, 1549744, 1771136, 1937180, 2213920, 3099488, 3874360, 4427840, 6198976, 7748720, 8855680, 12397952, 15497440, 30994880, 61989760]

約数ペア:

[(1, 61989760), (2, 30994880), (4, 15497440), (5, 12397952), (7, 8855680), (8, 7748720), (10, 6198976), (14, 4427840), (16, 3874360), (20, 3099488), (28, 2213920), (32, 1937180), (35, 1771136), (40, 1549744), (56, 1106960), (64, 968590), (70, 885568), (80, 774872), (101, 613760), (112, 553480), (128, 484295), (137, 452480), (140, 442784), (160, 387436), (202, 306880), (224, 276740), (274, 226240), (280, 221392), (320, 193718), (404, 153440), (448, 138370), (505, 122752), (548, 113120), (560, 110696), (640, 96859), (685, 90496), (707, 87680), (808, 76720), (896, 69185), (959, 64640), (1010, 61376), (1096, 56560), (1120, 55348), (1370, 45248), (1414, 43840), (1616, 38360), (1918, 32320), (2020, 30688), (2192, 28280), (2240, 27674), (2740, 22624), (2828, 21920), (3232, 19180), (3535, 17536), (3836, 16160), (4040, 15344), (4384, 14140), (4480, 13837), (4795, 12928), (5480, 11312), (5656, 10960), (6464, 9590), (7070, 8768), (7672, 8080)]