257029380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38593}}^1$

素因数の和:38645

約数の個数: 72

約数和(自身を含む): 800748312

約数和(自身を除く): 543718932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 38593, 77186, 115779, 154372, 192965, 231558, 347337, 385930, 463116, 578895, 694674, 771860, 1157790, 1389348, 1427941, 1736685, 2315580, 2855882, 3473370, 4283823, 5711764, 6946740, 7139705, 8567646, 12851469, 14279410, 17135292, 21419115, 25702938, 28558820, 42838230, 51405876, 64257345, 85676460, 128514690, 257029380]

約数ペア:

[(1, 257029380), (2, 128514690), (3, 85676460), (4, 64257345), (5, 51405876), (6, 42838230), (9, 28558820), (10, 25702938), (12, 21419115), (15, 17135292), (18, 14279410), (20, 12851469), (30, 8567646), (36, 7139705), (37, 6946740), (45, 5711764), (60, 4283823), (74, 3473370), (90, 2855882), (111, 2315580), (148, 1736685), (180, 1427941), (185, 1389348), (222, 1157790), (333, 771860), (370, 694674), (444, 578895), (555, 463116), (666, 385930), (740, 347337), (1110, 231558), (1332, 192965), (1665, 154372), (2220, 115779), (3330, 77186), (6660, 38593)]