8418540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 26078976

約数和(自身を除く): 17660436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 251, 258, 260, 390, 430, 502, 516, 559, 645, 753, 780, 860, 1004, 1118, 1255, 1290, 1506, 1677, 2236, 2510, 2580, 2795, 3012, 3263, 3354, 3765, 5020, 5590, 6526, 6708, 7530, 8385, 9789, 10793, 11180, 13052, 15060, 16315, 16770, 19578, 21586, 32379, 32630, 33540, 39156, 43172, 48945, 53965, 64758, 65260, 97890, 107930, 129516, 140309, 161895, 195780, 215860, 280618, 323790, 420927, 561236, 647580, 701545, 841854, 1403090, 1683708, 2104635, 2806180, 4209270, 8418540]

約数ペア:

[(1, 8418540), (2, 4209270), (3, 2806180), (4, 2104635), (5, 1683708), (6, 1403090), (10, 841854), (12, 701545), (13, 647580), (15, 561236), (20, 420927), (26, 323790), (30, 280618), (39, 215860), (43, 195780), (52, 161895), (60, 140309), (65, 129516), (78, 107930), (86, 97890), (129, 65260), (130, 64758), (156, 53965), (172, 48945), (195, 43172), (215, 39156), (251, 33540), (258, 32630), (260, 32379), (390, 21586), (430, 19578), (502, 16770), (516, 16315), (559, 15060), (645, 13052), (753, 11180), (780, 10793), (860, 9789), (1004, 8385), (1118, 7530), (1255, 6708), (1290, 6526), (1506, 5590), (1677, 5020), (2236, 3765), (2510, 3354), (2580, 3263), (2795, 3012)]