129552640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:808

約数の個数: 144

約数和(自身を含む): 373806720

約数和(自身を除く): 244254080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 761, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1522, 1792, 2128, 2240, 2432, 2660, 3040, 3044, 3805, 4256, 4480, 4864, 5320, 5327, 6080, 6088, 7610, 8512, 8960, 10640, 10654, 12160, 12176, 14459, 15220, 17024, 21280, 21308, 24320, 24352, 26635, 28918, 30440, 34048, 42560, 42616, 48704, 53270, 57836, 60880, 72295, 85120, 85232, 97408, 101213, 106540, 115672, 121760, 144590, 170240, 170464, 194816, 202426, 213080, 231344, 243520, 289180, 340928, 404852, 426160, 462688, 487040, 506065, 578360, 681856, 809704, 852320, 925376, 974080, 1012130, 1156720, 1363712, 1619408, 1704640, 1850752, 2024260, 2313440, 3238816, 3409280, 3701504, 4048520, 4626880, 6477632, 6818560, 8097040, 9253760, 12955264, 16194080, 18507520, 25910528, 32388160, 64776320, 129552640]

約数ペア:

[(1, 129552640), (2, 64776320), (4, 32388160), (5, 25910528), (7, 18507520), (8, 16194080), (10, 12955264), (14, 9253760), (16, 8097040), (19, 6818560), (20, 6477632), (28, 4626880), (32, 4048520), (35, 3701504), (38, 3409280), (40, 3238816), (56, 2313440), (64, 2024260), (70, 1850752), (76, 1704640), (80, 1619408), (95, 1363712), (112, 1156720), (128, 1012130), (133, 974080), (140, 925376), (152, 852320), (160, 809704), (190, 681856), (224, 578360), (256, 506065), (266, 487040), (280, 462688), (304, 426160), (320, 404852), (380, 340928), (448, 289180), (532, 243520), (560, 231344), (608, 213080), (640, 202426), (665, 194816), (760, 170464), (761, 170240), (896, 144590), (1064, 121760), (1120, 115672), (1216, 106540), (1280, 101213), (1330, 97408), (1520, 85232), (1522, 85120), (1792, 72295), (2128, 60880), (2240, 57836), (2432, 53270), (2660, 48704), (3040, 42616), (3044, 42560), (3805, 34048), (4256, 30440), (4480, 28918), (4864, 26635), (5320, 24352), (5327, 24320), (6080, 21308), (6088, 21280), (7610, 17024), (8512, 15220), (8960, 14459), (10640, 12176), (10654, 12160)]