30783900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 103493376

約数和(自身を除く): 72709476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 107, 137, 140, 150, 175, 210, 214, 274, 300, 321, 350, 411, 420, 428, 525, 535, 548, 642, 685, 700, 749, 822, 959, 1050, 1070, 1284, 1370, 1498, 1605, 1644, 1918, 2055, 2100, 2140, 2247, 2675, 2740, 2877, 2996, 3210, 3425, 3745, 3836, 4110, 4494, 4795, 5350, 5754, 6420, 6850, 7490, 8025, 8220, 8988, 9590, 10275, 10700, 11235, 11508, 13700, 14385, 14659, 14980, 16050, 18725, 19180, 20550, 22470, 23975, 28770, 29318, 32100, 37450, 41100, 43977, 44940, 47950, 56175, 57540, 58636, 71925, 73295, 74900, 87954, 95900, 102613, 112350, 143850, 146590, 175908, 205226, 219885, 224700, 287700, 293180, 307839, 366475, 410452, 439770, 513065, 615678, 732950, 879540, 1026130, 1099425, 1231356, 1465900, 1539195, 2052260, 2198850, 2565325, 3078390, 4397700, 5130650, 6156780, 7695975, 10261300, 15391950, 30783900]

約数ペア:

[(1, 30783900), (2, 15391950), (3, 10261300), (4, 7695975), (5, 6156780), (6, 5130650), (7, 4397700), (10, 3078390), (12, 2565325), (14, 2198850), (15, 2052260), (20, 1539195), (21, 1465900), (25, 1231356), (28, 1099425), (30, 1026130), (35, 879540), (42, 732950), (50, 615678), (60, 513065), (70, 439770), (75, 410452), (84, 366475), (100, 307839), (105, 293180), (107, 287700), (137, 224700), (140, 219885), (150, 205226), (175, 175908), (210, 146590), (214, 143850), (274, 112350), (300, 102613), (321, 95900), (350, 87954), (411, 74900), (420, 73295), (428, 71925), (525, 58636), (535, 57540), (548, 56175), (642, 47950), (685, 44940), (700, 43977), (749, 41100), (822, 37450), (959, 32100), (1050, 29318), (1070, 28770), (1284, 23975), (1370, 22470), (1498, 20550), (1605, 19180), (1644, 18725), (1918, 16050), (2055, 14980), (2100, 14659), (2140, 14385), (2247, 13700), (2675, 11508), (2740, 11235), (2877, 10700), (2996, 10275), (3210, 9590), (3425, 8988), (3745, 8220), (3836, 8025), (4110, 7490), (4494, 6850), (4795, 6420), (5350, 5754)]