28140060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 86929920

約数和(自身を除く): 58789860

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, 258, 260, 390, 430, 516, 559, 645, 780, 839, 860, 1118, 1290, 1677, 1678, 2236, 2517, 2580, 2795, 3354, 3356, 4195, 5034, 5590, 6708, 8385, 8390, 10068, 10907, 11180, 12585, 16770, 16780, 21814, 25170, 32721, 33540, 36077, 43628, 50340, 54535, 65442, 72154, 108231, 109070, 130884, 144308, 163605, 180385, 216462, 218140, 327210, 360770, 432924, 469001, 541155, 654420, 721540, 938002, 1082310, 1407003, 1876004, 2164620, 2345005, 2814006, 4690010, 5628012, 7035015, 9380020, 14070030, 28140060]

約数ペア:

[(1, 28140060), (2, 14070030), (3, 9380020), (4, 7035015), (5, 5628012), (6, 4690010), (10, 2814006), (12, 2345005), (13, 2164620), (15, 1876004), (20, 1407003), (26, 1082310), (30, 938002), (39, 721540), (43, 654420), (52, 541155), (60, 469001), (65, 432924), (78, 360770), (86, 327210), (129, 218140), (130, 216462), (156, 180385), (172, 163605), (195, 144308), (215, 130884), (258, 109070), (260, 108231), (390, 72154), (430, 65442), (516, 54535), (559, 50340), (645, 43628), (780, 36077), (839, 33540), (860, 32721), (1118, 25170), (1290, 21814), (1677, 16780), (1678, 16770), (2236, 12585), (2517, 11180), (2580, 10907), (2795, 10068), (3354, 8390), (3356, 8385), (4195, 6708), (5034, 5590)]