30820140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13171}}^1$

素因数の和:13199

約数の個数: 72

約数和(自身を含む): 100686768

約数和(自身を除く): 69866628

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, 13171, 26342, 39513, 52684, 65855, 79026, 118539, 131710, 158052, 171223, 197565, 237078, 263420, 342446, 395130, 474156, 513669, 592695, 684892, 790260, 856115, 1027338, 1185390, 1541007, 1712230, 2054676, 2370780, 2568345, 3082014, 3424460, 5136690, 6164028, 7705035, 10273380, 15410070, 30820140]

約数ペア:

[(1, 30820140), (2, 15410070), (3, 10273380), (4, 7705035), (5, 6164028), (6, 5136690), (9, 3424460), (10, 3082014), (12, 2568345), (13, 2370780), (15, 2054676), (18, 1712230), (20, 1541007), (26, 1185390), (30, 1027338), (36, 856115), (39, 790260), (45, 684892), (52, 592695), (60, 513669), (65, 474156), (78, 395130), (90, 342446), (117, 263420), (130, 237078), (156, 197565), (180, 171223), (195, 158052), (234, 131710), (260, 118539), (390, 79026), (468, 65855), (585, 52684), (780, 39513), (1170, 26342), (2340, 13171)]