68824840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 197510400

約数和(自身を除く): 128685560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 761, 952, 1064, 1190, 1292, 1330, 1522, 1615, 2261, 2380, 2584, 2660, 3044, 3230, 3805, 4522, 4760, 5320, 5327, 6088, 6460, 7610, 9044, 10654, 11305, 12920, 12937, 14459, 15220, 18088, 21308, 22610, 25874, 26635, 28918, 30440, 42616, 45220, 51748, 53270, 57836, 64685, 72295, 90440, 90559, 101213, 103496, 106540, 115672, 129370, 144590, 181118, 202426, 213080, 245803, 258740, 289180, 362236, 404852, 452795, 491606, 506065, 517480, 578360, 724472, 809704, 905590, 983212, 1012130, 1229015, 1720621, 1811180, 1966424, 2024260, 2458030, 3441242, 3622360, 4048520, 4916060, 6882484, 8603105, 9832120, 13764968, 17206210, 34412420, 68824840]

約数ペア:

[(1, 68824840), (2, 34412420), (4, 17206210), (5, 13764968), (7, 9832120), (8, 8603105), (10, 6882484), (14, 4916060), (17, 4048520), (19, 3622360), (20, 3441242), (28, 2458030), (34, 2024260), (35, 1966424), (38, 1811180), (40, 1720621), (56, 1229015), (68, 1012130), (70, 983212), (76, 905590), (85, 809704), (95, 724472), (119, 578360), (133, 517480), (136, 506065), (140, 491606), (152, 452795), (170, 404852), (190, 362236), (238, 289180), (266, 258740), (280, 245803), (323, 213080), (340, 202426), (380, 181118), (476, 144590), (532, 129370), (595, 115672), (646, 106540), (665, 103496), (680, 101213), (760, 90559), (761, 90440), (952, 72295), (1064, 64685), (1190, 57836), (1292, 53270), (1330, 51748), (1522, 45220), (1615, 42616), (2261, 30440), (2380, 28918), (2584, 26635), (2660, 25874), (3044, 22610), (3230, 21308), (3805, 18088), (4522, 15220), (4760, 14459), (5320, 12937), (5327, 12920), (6088, 11305), (6460, 10654), (7610, 9044)]