320207940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136841}}^1$

素因数の和:136869

約数の個数: 72

約数和(自身を含む): 1046020248

約数和(自身を除く): 725812308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 136841, 273682, 410523, 547364, 684205, 821046, 1231569, 1368410, 1642092, 1778933, 2052615, 2463138, 2736820, 3557866, 4105230, 4926276, 5336799, 6157845, 7115732, 8210460, 8894665, 10673598, 12315690, 16010397, 17789330, 21347196, 24631380, 26683995, 32020794, 35578660, 53367990, 64041588, 80051985, 106735980, 160103970, 320207940]

約数ペア:

[(1, 320207940), (2, 160103970), (3, 106735980), (4, 80051985), (5, 64041588), (6, 53367990), (9, 35578660), (10, 32020794), (12, 26683995), (13, 24631380), (15, 21347196), (18, 17789330), (20, 16010397), (26, 12315690), (30, 10673598), (36, 8894665), (39, 8210460), (45, 7115732), (52, 6157845), (60, 5336799), (65, 4926276), (78, 4105230), (90, 3557866), (117, 2736820), (130, 2463138), (156, 2052615), (180, 1778933), (195, 1642092), (234, 1368410), (260, 1231569), (390, 821046), (468, 684205), (585, 547364), (780, 410523), (1170, 273682), (2340, 136841)]