18438000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{439}}^1$

素因数の和:472

約数の個数: 160

約数和(自身を含む): 68090880

約数和(自身を除く): 49652880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 439, 500, 525, 560, 600, 700, 750, 840, 875, 878, 1000, 1050, 1200, 1317, 1400, 1500, 1680, 1750, 1756, 2000, 2100, 2195, 2625, 2634, 2800, 3000, 3073, 3500, 3512, 4200, 4390, 5250, 5268, 6000, 6146, 6585, 7000, 7024, 8400, 8780, 9219, 10500, 10536, 10975, 12292, 13170, 14000, 15365, 17560, 18438, 21000, 21072, 21950, 24584, 26340, 30730, 32925, 35120, 36876, 42000, 43900, 46095, 49168, 52680, 54875, 61460, 65850, 73752, 76825, 87800, 92190, 105360, 109750, 122920, 131700, 147504, 153650, 164625, 175600, 184380, 219500, 230475, 245840, 263400, 307300, 329250, 368760, 384125, 439000, 460950, 526800, 614600, 658500, 737520, 768250, 878000, 921900, 1152375, 1229200, 1317000, 1536500, 1843800, 2304750, 2634000, 3073000, 3687600, 4609500, 6146000, 9219000, 18438000]

約数ペア:

[(1, 18438000), (2, 9219000), (3, 6146000), (4, 4609500), (5, 3687600), (6, 3073000), (7, 2634000), (8, 2304750), (10, 1843800), (12, 1536500), (14, 1317000), (15, 1229200), (16, 1152375), (20, 921900), (21, 878000), (24, 768250), (25, 737520), (28, 658500), (30, 614600), (35, 526800), (40, 460950), (42, 439000), (48, 384125), (50, 368760), (56, 329250), (60, 307300), (70, 263400), (75, 245840), (80, 230475), (84, 219500), (100, 184380), (105, 175600), (112, 164625), (120, 153650), (125, 147504), (140, 131700), (150, 122920), (168, 109750), (175, 105360), (200, 92190), (210, 87800), (240, 76825), (250, 73752), (280, 65850), (300, 61460), (336, 54875), (350, 52680), (375, 49168), (400, 46095), (420, 43900), (439, 42000), (500, 36876), (525, 35120), (560, 32925), (600, 30730), (700, 26340), (750, 24584), (840, 21950), (875, 21072), (878, 21000), (1000, 18438), (1050, 17560), (1200, 15365), (1317, 14000), (1400, 13170), (1500, 12292), (1680, 10975), (1750, 10536), (1756, 10500), (2000, 9219), (2100, 8780), (2195, 8400), (2625, 7024), (2634, 7000), (2800, 6585), (3000, 6146), (3073, 6000), (3500, 5268), (3512, 5250), (4200, 4390)]