6647940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:978

約数の個数: 96

約数和(自身を含む): 22296960

約数和(自身を除く): 15649020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 947, 1170, 1404, 1755, 1894, 2340, 2841, 3510, 3788, 4735, 5682, 7020, 8523, 9470, 11364, 12311, 14205, 17046, 18940, 24622, 25569, 28410, 34092, 36933, 42615, 49244, 51138, 56820, 61555, 73866, 85230, 102276, 110799, 123110, 127845, 147732, 170460, 184665, 221598, 246220, 255690, 332397, 369330, 443196, 511380, 553995, 664794, 738660, 1107990, 1329588, 1661985, 2215980, 3323970, 6647940]

約数ペア:

[(1, 6647940), (2, 3323970), (3, 2215980), (4, 1661985), (5, 1329588), (6, 1107990), (9, 738660), (10, 664794), (12, 553995), (13, 511380), (15, 443196), (18, 369330), (20, 332397), (26, 255690), (27, 246220), (30, 221598), (36, 184665), (39, 170460), (45, 147732), (52, 127845), (54, 123110), (60, 110799), (65, 102276), (78, 85230), (90, 73866), (108, 61555), (117, 56820), (130, 51138), (135, 49244), (156, 42615), (180, 36933), (195, 34092), (234, 28410), (260, 25569), (270, 24622), (351, 18940), (390, 17046), (468, 14205), (540, 12311), (585, 11364), (702, 9470), (780, 8523), (947, 7020), (1170, 5682), (1404, 4735), (1755, 3788), (1894, 3510), (2340, 2841)]