81681000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1476

約数の個数: 128

約数和(自身を含む): 268444800

約数和(自身を除く): 186763800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 250, 285, 300, 375, 380, 456, 475, 500, 570, 600, 750, 760, 950, 1000, 1140, 1425, 1433, 1500, 1900, 2280, 2375, 2850, 2866, 3000, 3800, 4299, 4750, 5700, 5732, 7125, 7165, 8598, 9500, 11400, 11464, 14250, 14330, 17196, 19000, 21495, 27227, 28500, 28660, 34392, 35825, 42990, 54454, 57000, 57320, 71650, 81681, 85980, 107475, 108908, 136135, 143300, 163362, 171960, 179125, 214950, 217816, 272270, 286600, 326724, 358250, 408405, 429900, 537375, 544540, 653448, 680675, 716500, 816810, 859800, 1074750, 1089080, 1361350, 1433000, 1633620, 2042025, 2149500, 2722700, 3267240, 3403375, 4084050, 4299000, 5445400, 6806750, 8168100, 10210125, 13613500, 16336200, 20420250, 27227000, 40840500, 81681000]

約数ペア:

[(1, 81681000), (2, 40840500), (3, 27227000), (4, 20420250), (5, 16336200), (6, 13613500), (8, 10210125), (10, 8168100), (12, 6806750), (15, 5445400), (19, 4299000), (20, 4084050), (24, 3403375), (25, 3267240), (30, 2722700), (38, 2149500), (40, 2042025), (50, 1633620), (57, 1433000), (60, 1361350), (75, 1089080), (76, 1074750), (95, 859800), (100, 816810), (114, 716500), (120, 680675), (125, 653448), (150, 544540), (152, 537375), (190, 429900), (200, 408405), (228, 358250), (250, 326724), (285, 286600), (300, 272270), (375, 217816), (380, 214950), (456, 179125), (475, 171960), (500, 163362), (570, 143300), (600, 136135), (750, 108908), (760, 107475), (950, 85980), (1000, 81681), (1140, 71650), (1425, 57320), (1433, 57000), (1500, 54454), (1900, 42990), (2280, 35825), (2375, 34392), (2850, 28660), (2866, 28500), (3000, 27227), (3800, 21495), (4299, 19000), (4750, 17196), (5700, 14330), (5732, 14250), (7125, 11464), (7165, 11400), (8598, 9500)]