27028280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 36838600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 307, 310, 355, 568, 614, 620, 710, 1228, 1240, 1420, 1535, 2201, 2456, 2840, 3070, 4402, 6140, 8804, 9517, 11005, 12280, 17608, 19034, 21797, 22010, 38068, 43594, 44020, 47585, 76136, 87188, 88040, 95170, 108985, 174376, 190340, 217970, 380680, 435940, 675707, 871880, 1351414, 2702828, 3378535, 5405656, 6757070, 13514140, 27028280]

約数ペア:

[(1, 27028280), (2, 13514140), (4, 6757070), (5, 5405656), (8, 3378535), (10, 2702828), (20, 1351414), (31, 871880), (40, 675707), (62, 435940), (71, 380680), (124, 217970), (142, 190340), (155, 174376), (248, 108985), (284, 95170), (307, 88040), (310, 87188), (355, 76136), (568, 47585), (614, 44020), (620, 43594), (710, 38068), (1228, 22010), (1240, 21797), (1420, 19034), (1535, 17608), (2201, 12280), (2456, 11005), (2840, 9517), (3070, 8804), (4402, 6140)]