72457920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 168

約数和(自身を含む): 252404880

約数和(自身を除く): 179946960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 139, 144, 160, 180, 181, 192, 240, 278, 288, 320, 360, 362, 417, 480, 543, 556, 576, 695, 720, 724, 834, 905, 960, 1086, 1112, 1251, 1390, 1440, 1448, 1629, 1668, 1810, 2085, 2172, 2224, 2502, 2715, 2780, 2880, 2896, 3258, 3336, 3620, 4170, 4344, 4448, 5004, 5430, 5560, 5792, 6255, 6516, 6672, 7240, 8145, 8340, 8688, 8896, 10008, 10860, 11120, 11584, 12510, 13032, 13344, 14480, 16290, 16680, 17376, 20016, 21720, 22240, 25020, 25159, 26064, 26688, 28960, 32580, 33360, 34752, 40032, 43440, 44480, 50040, 50318, 52128, 57920, 65160, 66720, 75477, 80064, 86880, 100080, 100636, 104256, 125795, 130320, 133440, 150954, 173760, 200160, 201272, 226431, 251590, 260640, 301908, 377385, 400320, 402544, 452862, 503180, 521280, 603816, 754770, 805088, 905724, 1006360, 1132155, 1207632, 1509540, 1610176, 1811448, 2012720, 2264310, 2415264, 3019080, 3622896, 4025440, 4528620, 4830528, 6038160, 7245792, 8050880, 9057240, 12076320, 14491584, 18114480, 24152640, 36228960, 72457920]

約数ペア:

[(1, 72457920), (2, 36228960), (3, 24152640), (4, 18114480), (5, 14491584), (6, 12076320), (8, 9057240), (9, 8050880), (10, 7245792), (12, 6038160), (15, 4830528), (16, 4528620), (18, 4025440), (20, 3622896), (24, 3019080), (30, 2415264), (32, 2264310), (36, 2012720), (40, 1811448), (45, 1610176), (48, 1509540), (60, 1207632), (64, 1132155), (72, 1006360), (80, 905724), (90, 805088), (96, 754770), (120, 603816), (139, 521280), (144, 503180), (160, 452862), (180, 402544), (181, 400320), (192, 377385), (240, 301908), (278, 260640), (288, 251590), (320, 226431), (360, 201272), (362, 200160), (417, 173760), (480, 150954), (543, 133440), (556, 130320), (576, 125795), (695, 104256), (720, 100636), (724, 100080), (834, 86880), (905, 80064), (960, 75477), (1086, 66720), (1112, 65160), (1251, 57920), (1390, 52128), (1440, 50318), (1448, 50040), (1629, 44480), (1668, 43440), (1810, 40032), (2085, 34752), (2172, 33360), (2224, 32580), (2502, 28960), (2715, 26688), (2780, 26064), (2880, 25159), (2896, 25020), (3258, 22240), (3336, 21720), (3620, 20016), (4170, 17376), (4344, 16680), (4448, 16290), (5004, 14480), (5430, 13344), (5560, 13032), (5792, 12510), (6255, 11584), (6516, 11120), (6672, 10860), (7240, 10008), (8145, 8896), (8340, 8688)]