18272800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 55121472

約数和(自身を除く): 36848672

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 251, 260, 280, 325, 350, 364, 400, 416, 455, 502, 520, 560, 650, 700, 728, 800, 910, 1004, 1040, 1120, 1255, 1300, 1400, 1456, 1757, 1820, 2008, 2080, 2275, 2510, 2600, 2800, 2912, 3263, 3514, 3640, 4016, 4550, 5020, 5200, 5600, 6275, 6526, 7028, 7280, 8032, 8785, 9100, 10040, 10400, 12550, 13052, 14056, 14560, 16315, 17570, 18200, 20080, 22841, 25100, 26104, 28112, 32630, 35140, 36400, 40160, 43925, 45682, 50200, 52208, 56224, 65260, 70280, 72800, 81575, 87850, 91364, 100400, 104416, 114205, 130520, 140560, 163150, 175700, 182728, 200800, 228410, 261040, 281120, 326300, 351400, 365456, 456820, 522080, 571025, 652600, 702800, 730912, 913640, 1142050, 1305200, 1405600, 1827280, 2284100, 2610400, 3654560, 4568200, 9136400, 18272800]

約数ペア:

[(1, 18272800), (2, 9136400), (4, 4568200), (5, 3654560), (7, 2610400), (8, 2284100), (10, 1827280), (13, 1405600), (14, 1305200), (16, 1142050), (20, 913640), (25, 730912), (26, 702800), (28, 652600), (32, 571025), (35, 522080), (40, 456820), (50, 365456), (52, 351400), (56, 326300), (65, 281120), (70, 261040), (80, 228410), (91, 200800), (100, 182728), (104, 175700), (112, 163150), (130, 140560), (140, 130520), (160, 114205), (175, 104416), (182, 100400), (200, 91364), (208, 87850), (224, 81575), (251, 72800), (260, 70280), (280, 65260), (325, 56224), (350, 52208), (364, 50200), (400, 45682), (416, 43925), (455, 40160), (502, 36400), (520, 35140), (560, 32630), (650, 28112), (700, 26104), (728, 25100), (800, 22841), (910, 20080), (1004, 18200), (1040, 17570), (1120, 16315), (1255, 14560), (1300, 14056), (1400, 13052), (1456, 12550), (1757, 10400), (1820, 10040), (2008, 9100), (2080, 8785), (2275, 8032), (2510, 7280), (2600, 7028), (2800, 6526), (2912, 6275), (3263, 5600), (3514, 5200), (3640, 5020), (4016, 4550)]