72838880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 96

約数和(自身を含む): 185613120

約数和(自身を除く): 112774240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 122, 136, 160, 170, 244, 272, 305, 340, 439, 488, 544, 610, 680, 878, 976, 1037, 1220, 1360, 1756, 1952, 2074, 2195, 2440, 2720, 3512, 4148, 4390, 4880, 5185, 7024, 7463, 8296, 8780, 9760, 10370, 14048, 14926, 16592, 17560, 20740, 26779, 29852, 33184, 35120, 37315, 41480, 53558, 59704, 70240, 74630, 82960, 107116, 119408, 133895, 149260, 165920, 214232, 238816, 267790, 298520, 428464, 455243, 535580, 597040, 856928, 910486, 1071160, 1194080, 1820972, 2142320, 2276215, 3641944, 4284640, 4552430, 7283888, 9104860, 14567776, 18209720, 36419440, 72838880]

約数ペア:

[(1, 72838880), (2, 36419440), (4, 18209720), (5, 14567776), (8, 9104860), (10, 7283888), (16, 4552430), (17, 4284640), (20, 3641944), (32, 2276215), (34, 2142320), (40, 1820972), (61, 1194080), (68, 1071160), (80, 910486), (85, 856928), (122, 597040), (136, 535580), (160, 455243), (170, 428464), (244, 298520), (272, 267790), (305, 238816), (340, 214232), (439, 165920), (488, 149260), (544, 133895), (610, 119408), (680, 107116), (878, 82960), (976, 74630), (1037, 70240), (1220, 59704), (1360, 53558), (1756, 41480), (1952, 37315), (2074, 35120), (2195, 33184), (2440, 29852), (2720, 26779), (3512, 20740), (4148, 17560), (4390, 16592), (4880, 14926), (5185, 14048), (7024, 10370), (7463, 9760), (8296, 8780)]