28864800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 216

約数和(自身を含む): 107649360

約数和(自身を除く): 78784560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 144, 150, 152, 160, 171, 180, 190, 200, 211, 225, 228, 240, 285, 288, 300, 304, 342, 360, 380, 400, 422, 450, 456, 475, 480, 570, 600, 608, 633, 684, 720, 760, 800, 844, 855, 900, 912, 950, 1055, 1140, 1200, 1266, 1368, 1425, 1440, 1520, 1688, 1710, 1800, 1824, 1899, 1900, 2110, 2280, 2400, 2532, 2736, 2850, 3040, 3165, 3376, 3420, 3600, 3798, 3800, 4009, 4220, 4275, 4560, 5064, 5275, 5472, 5700, 6330, 6752, 6840, 7200, 7596, 7600, 8018, 8440, 8550, 9120, 9495, 10128, 10550, 11400, 12027, 12660, 13680, 15192, 15200, 15825, 16036, 16880, 17100, 18990, 20045, 20256, 21100, 22800, 24054, 25320, 27360, 30384, 31650, 32072, 33760, 34200, 36081, 37980, 40090, 42200, 45600, 47475, 48108, 50640, 60135, 60768, 63300, 64144, 68400, 72162, 75960, 80180, 84400, 94950, 96216, 100225, 101280, 120270, 126600, 128288, 136800, 144324, 151920, 160360, 168800, 180405, 189900, 192432, 200450, 240540, 253200, 288648, 300675, 303840, 320720, 360810, 379800, 384864, 400900, 481080, 506400, 577296, 601350, 641440, 721620, 759600, 801800, 902025, 962160, 1154592, 1202700, 1443240, 1519200, 1603600, 1804050, 1924320, 2405400, 2886480, 3207200, 3608100, 4810800, 5772960, 7216200, 9621600, 14432400, 28864800]

約数ペア:

[(1, 28864800), (2, 14432400), (3, 9621600), (4, 7216200), (5, 5772960), (6, 4810800), (8, 3608100), (9, 3207200), (10, 2886480), (12, 2405400), (15, 1924320), (16, 1804050), (18, 1603600), (19, 1519200), (20, 1443240), (24, 1202700), (25, 1154592), (30, 962160), (32, 902025), (36, 801800), (38, 759600), (40, 721620), (45, 641440), (48, 601350), (50, 577296), (57, 506400), (60, 481080), (72, 400900), (75, 384864), (76, 379800), (80, 360810), (90, 320720), (95, 303840), (96, 300675), (100, 288648), (114, 253200), (120, 240540), (144, 200450), (150, 192432), (152, 189900), (160, 180405), (171, 168800), (180, 160360), (190, 151920), (200, 144324), (211, 136800), (225, 128288), (228, 126600), (240, 120270), (285, 101280), (288, 100225), (300, 96216), (304, 94950), (342, 84400), (360, 80180), (380, 75960), (400, 72162), (422, 68400), (450, 64144), (456, 63300), (475, 60768), (480, 60135), (570, 50640), (600, 48108), (608, 47475), (633, 45600), (684, 42200), (720, 40090), (760, 37980), (800, 36081), (844, 34200), (855, 33760), (900, 32072), (912, 31650), (950, 30384), (1055, 27360), (1140, 25320), (1200, 24054), (1266, 22800), (1368, 21100), (1425, 20256), (1440, 20045), (1520, 18990), (1688, 17100), (1710, 16880), (1800, 16036), (1824, 15825), (1899, 15200), (1900, 15192), (2110, 13680), (2280, 12660), (2400, 12027), (2532, 11400), (2736, 10550), (2850, 10128), (3040, 9495), (3165, 9120), (3376, 8550), (3420, 8440), (3600, 8018), (3798, 7600), (3800, 7596), (4009, 7200), (4220, 6840), (4275, 6752), (4560, 6330), (5064, 5700), (5275, 5472)]