247895280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18121}}^1$

素因数の和:18159

約数の個数: 120

約数和(自身を含む): 876379920

約数和(自身を除く): 628484640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 18121, 36242, 54363, 72484, 90605, 108726, 144968, 163089, 181210, 217452, 271815, 289936, 326178, 344299, 362420, 434904, 543630, 652356, 688598, 724840, 815445, 869808, 1032897, 1087260, 1304712, 1377196, 1449680, 1630890, 1721495, 2065794, 2174520, 2609424, 2754392, 3098691, 3261780, 3442990, 4131588, 4349040, 5164485, 5508784, 6197382, 6523560, 6885980, 8263176, 10328970, 12394764, 13047120, 13771960, 15493455, 16526352, 20657940, 24789528, 27543920, 30986910, 41315880, 49579056, 61973820, 82631760, 123947640, 247895280]

約数ペア:

[(1, 247895280), (2, 123947640), (3, 82631760), (4, 61973820), (5, 49579056), (6, 41315880), (8, 30986910), (9, 27543920), (10, 24789528), (12, 20657940), (15, 16526352), (16, 15493455), (18, 13771960), (19, 13047120), (20, 12394764), (24, 10328970), (30, 8263176), (36, 6885980), (38, 6523560), (40, 6197382), (45, 5508784), (48, 5164485), (57, 4349040), (60, 4131588), (72, 3442990), (76, 3261780), (80, 3098691), (90, 2754392), (95, 2609424), (114, 2174520), (120, 2065794), (144, 1721495), (152, 1630890), (171, 1449680), (180, 1377196), (190, 1304712), (228, 1087260), (240, 1032897), (285, 869808), (304, 815445), (342, 724840), (360, 688598), (380, 652356), (456, 543630), (570, 434904), (684, 362420), (720, 344299), (760, 326178), (855, 289936), (912, 271815), (1140, 217452), (1368, 181210), (1520, 163089), (1710, 144968), (2280, 108726), (2736, 90605), (3420, 72484), (4560, 54363), (6840, 36242), (13680, 18121)]