56280120

素因数分解:

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

素因数の和:909

約数の個数: 128

約数和(自身を含む): 186278400

約数和(自身を除く): 129998280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 839, 860, 1032, 1118, 1290, 1560, 1677, 1678, 1720, 2236, 2517, 2580, 2795, 3354, 3356, 4195, 4472, 5034, 5160, 5590, 6708, 6712, 8385, 8390, 10068, 10907, 11180, 12585, 13416, 16770, 16780, 20136, 21814, 22360, 25170, 32721, 33540, 33560, 36077, 43628, 50340, 54535, 65442, 67080, 72154, 87256, 100680, 108231, 109070, 130884, 144308, 163605, 180385, 216462, 218140, 261768, 288616, 327210, 360770, 432924, 436280, 469001, 541155, 654420, 721540, 865848, 938002, 1082310, 1308840, 1407003, 1443080, 1876004, 2164620, 2345005, 2814006, 3752008, 4329240, 4690010, 5628012, 7035015, 9380020, 11256024, 14070030, 18760040, 28140060, 56280120]

約数ペア:

[(1, 56280120), (2, 28140060), (3, 18760040), (4, 14070030), (5, 11256024), (6, 9380020), (8, 7035015), (10, 5628012), (12, 4690010), (13, 4329240), (15, 3752008), (20, 2814006), (24, 2345005), (26, 2164620), (30, 1876004), (39, 1443080), (40, 1407003), (43, 1308840), (52, 1082310), (60, 938002), (65, 865848), (78, 721540), (86, 654420), (104, 541155), (120, 469001), (129, 436280), (130, 432924), (156, 360770), (172, 327210), (195, 288616), (215, 261768), (258, 218140), (260, 216462), (312, 180385), (344, 163605), (390, 144308), (430, 130884), (516, 109070), (520, 108231), (559, 100680), (645, 87256), (780, 72154), (839, 67080), (860, 65442), (1032, 54535), (1118, 50340), (1290, 43628), (1560, 36077), (1677, 33560), (1678, 33540), (1720, 32721), (2236, 25170), (2517, 22360), (2580, 21814), (2795, 20136), (3354, 16780), (3356, 16770), (4195, 13416), (4472, 12585), (5034, 11180), (5160, 10907), (5590, 10068), (6708, 8390), (6712, 8385)]