28887600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 111937280

約数和(自身を除く): 83049680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 48, 50, 56, 57, 60, 70, 75, 76, 80, 84, 95, 100, 105, 112, 114, 120, 133, 140, 150, 152, 168, 175, 181, 190, 200, 210, 228, 240, 266, 280, 285, 300, 304, 336, 350, 362, 380, 399, 400, 420, 456, 475, 525, 532, 543, 560, 570, 600, 665, 700, 724, 760, 798, 840, 905, 912, 950, 1050, 1064, 1086, 1140, 1200, 1267, 1330, 1400, 1425, 1448, 1520, 1596, 1680, 1810, 1900, 1995, 2100, 2128, 2172, 2280, 2534, 2660, 2715, 2800, 2850, 2896, 3192, 3325, 3439, 3620, 3800, 3801, 3990, 4200, 4344, 4525, 4560, 5068, 5320, 5430, 5700, 6335, 6384, 6650, 6878, 7240, 7600, 7602, 7980, 8400, 8688, 9050, 9975, 10136, 10317, 10640, 10860, 11400, 12670, 13300, 13575, 13756, 14480, 15204, 15960, 17195, 18100, 19005, 19950, 20272, 20634, 21720, 22800, 24073, 25340, 26600, 27150, 27512, 30408, 31675, 31920, 34390, 36200, 38010, 39900, 41268, 43440, 48146, 50680, 51585, 53200, 54300, 55024, 60816, 63350, 68780, 72219, 72400, 76020, 79800, 82536, 85975, 95025, 96292, 101360, 103170, 108600, 120365, 126700, 137560, 144438, 152040, 159600, 165072, 171950, 190050, 192584, 206340, 217200, 240730, 253400, 257925, 275120, 288876, 304080, 343900, 361095, 380100, 385168, 412680, 481460, 506800, 515850, 577752, 601825, 687800, 722190, 760200, 825360, 962920, 1031700, 1155504, 1203650, 1375600, 1444380, 1520400, 1805475, 1925840, 2063400, 2407300, 2888760, 3610950, 4126800, 4814600, 5777520, 7221900, 9629200, 14443800, 28887600]

約数ペア:

[(1, 28887600), (2, 14443800), (3, 9629200), (4, 7221900), (5, 5777520), (6, 4814600), (7, 4126800), (8, 3610950), (10, 2888760), (12, 2407300), (14, 2063400), (15, 1925840), (16, 1805475), (19, 1520400), (20, 1444380), (21, 1375600), (24, 1203650), (25, 1155504), (28, 1031700), (30, 962920), (35, 825360), (38, 760200), (40, 722190), (42, 687800), (48, 601825), (50, 577752), (56, 515850), (57, 506800), (60, 481460), (70, 412680), (75, 385168), (76, 380100), (80, 361095), (84, 343900), (95, 304080), (100, 288876), (105, 275120), (112, 257925), (114, 253400), (120, 240730), (133, 217200), (140, 206340), (150, 192584), (152, 190050), (168, 171950), (175, 165072), (181, 159600), (190, 152040), (200, 144438), (210, 137560), (228, 126700), (240, 120365), (266, 108600), (280, 103170), (285, 101360), (300, 96292), (304, 95025), (336, 85975), (350, 82536), (362, 79800), (380, 76020), (399, 72400), (400, 72219), (420, 68780), (456, 63350), (475, 60816), (525, 55024), (532, 54300), (543, 53200), (560, 51585), (570, 50680), (600, 48146), (665, 43440), (700, 41268), (724, 39900), (760, 38010), (798, 36200), (840, 34390), (905, 31920), (912, 31675), (950, 30408), (1050, 27512), (1064, 27150), (1086, 26600), (1140, 25340), (1200, 24073), (1267, 22800), (1330, 21720), (1400, 20634), (1425, 20272), (1448, 19950), (1520, 19005), (1596, 18100), (1680, 17195), (1810, 15960), (1900, 15204), (1995, 14480), (2100, 13756), (2128, 13575), (2172, 13300), (2280, 12670), (2534, 11400), (2660, 10860), (2715, 10640), (2800, 10317), (2850, 10136), (2896, 9975), (3192, 9050), (3325, 8688), (3439, 8400), (3620, 7980), (3800, 7602), (3801, 7600), (3990, 7240), (4200, 6878), (4344, 6650), (4525, 6384), (4560, 6335), (5068, 5700), (5320, 5430)]