641059920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{98929}}^1$

素因数の和:98954

約数の個数: 100

約数和(自身を含む): 2226518580

約数和(自身を除く): 1585458660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 98929, 197858, 296787, 395716, 494645, 593574, 791432, 890361, 989290, 1187148, 1483935, 1582864, 1780722, 1978580, 2374296, 2671083, 2967870, 3561444, 3957160, 4451805, 4748592, 5342166, 5935740, 7122888, 7914320, 8013249, 8903610, 10684332, 11871480, 13355415, 14245776, 16026498, 17807220, 21368664, 23742960, 26710830, 32052996, 35614440, 40066245, 42737328, 53421660, 64105992, 71228880, 80132490, 106843320, 128211984, 160264980, 213686640, 320529960, 641059920]

約数ペア:

[(1, 641059920), (2, 320529960), (3, 213686640), (4, 160264980), (5, 128211984), (6, 106843320), (8, 80132490), (9, 71228880), (10, 64105992), (12, 53421660), (15, 42737328), (16, 40066245), (18, 35614440), (20, 32052996), (24, 26710830), (27, 23742960), (30, 21368664), (36, 17807220), (40, 16026498), (45, 14245776), (48, 13355415), (54, 11871480), (60, 10684332), (72, 8903610), (80, 8013249), (81, 7914320), (90, 7122888), (108, 5935740), (120, 5342166), (135, 4748592), (144, 4451805), (162, 3957160), (180, 3561444), (216, 2967870), (240, 2671083), (270, 2374296), (324, 1978580), (360, 1780722), (405, 1582864), (432, 1483935), (540, 1187148), (648, 989290), (720, 890361), (810, 791432), (1080, 593574), (1296, 494645), (1620, 395716), (2160, 296787), (3240, 197858), (6480, 98929)]